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Scientific publications of A.T. Balaban 1

Selected scientific publications of Alexandru T. Balaban

A. Books.

A. 1. Edited Books:

1. A.T. Balaban (scientific editor): Analytical Control of Radiopharmaceuticals", International Atomic Energy Agency, Vienna, 1970 (223 pages), Proceedings of a Panel, 7-11 July 1969.

2. A.T. Balaban (scientific editor): "Radioisotope Production" (Proceedings of an IAEA Regional Meeting, Sao Paulo, October 1969), International Atomic Energy Agency, Vienna, 1970.

3. V. Iya, J.C. Maynard, A.T. Balaban and A.R. Palmer (editors): "Radioisotope Production and Quality Control", Tech. Reports Series No. 128, International Atomic Energy Agency, Vienna, 1971 (968 pp).

4. A.T. Balaban (editor): "Chemical Applications of Graph Theory" Academic Press, London, 1976, with chapters by the editor: A.T. Balaban and F. Harary: Early history of the interplay between graph theory and chemistry (p. 1-4); A.T. Balaban: Enumeration of cyclic graphs (p. 63-105). 389 pages.

5. A.T. Balaban (editor), “From Chemical Topology to Three-Dimensional Geometry”, Plenum Publishing Corporation, New York,1997, with a chapter by the editor: A.T. Balaban: From chemical graphs to 3D modeling, p. 1-24. 420 pages.

6. A.T. Balaban, E. N. Carabateas, and F. A. Tanasescu, “Science and Technology Management”, NATO Science Series (Series 4: Science and Technology Policy vol. 22), Proc. of NATO Advanced Research Workshop (Sinaia, Romania, May 20-24, 1997) with a chapter by A.T. Balaban: “R&D in universities, academic and technological institutes: marriage, cohabitation or divorce?”, pp. 158-165. IOS Press, Series 4, vol. 22, Amsterdam, 1998, 243 pages.

7. J. Devillers and A.T. Balaban (editors), “Topological Indices and Related Descriptors in QSAR and QSPR” with three chapters by the latter editor. A.T. Balaban and O. Ivanciuc: Historical development of topological indices; O. Ivanciuc and A.T. Balaban: The graph description of chemical structures; O. Ivanciuc, T. Ivanciuc and A.T. Balaban: Vertex-and edge-weighted molecular graphs and derived structural descriptors. Gordon and Breach, Reading, UK, 1999.

A. 2. Authored Books:

9. A.T. Balaban, A. Chiriac, I. Motoc and Z. Simon, "Steric Fit in Quantitative Structure Activity Relations", Lecture Notes in Chemistry No. 15, Springer, Berlin, 1980, 178 pages.

11. V. Dragutan, A.T. Balaban and M. Dimonie, "Olefin Metathesis and Ring-Opening Polymerization of Cyclo-Olefins", Ed. Academiei Bucharest, 1981, 254 pages (in Roumanian); Expanded English version: Wiley, Chichester, 1985, 545 pages.

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12. A.T. Balaban, I. Galateanu, G. Georgescu and L. Simionescu, "Labelled Compounds and Radio-pharmaceuticals Applied in Nuclear Medicine", Ed. Academiei Bucharest, 1979, 495 pages (in Roumanian); Expanded English version: Wiley, Chichester, 1988, 742 pages.

13. A.T. Balaban, A. Dinculescu, G.N. Dorofeenko, G.W. Fischer, A.V. Koblik, V.V. Mezheritskii and W. Schroth, "Pyrylium Salts. Syntheses, Reactions and Physical Properties", Adv. Heterocyclic Chem., Suppl. Vol. 2 (ed. A. R. Katritzky), Academic Press, New York, 1982, 454 pp.

14. A.T. Balaban, M. Banciu and V. Ciorba, " Annulenes, Benzo-, Hetero-, Homo-Derivatives and Their Valence Isomers", CRC Press, Boca Raton, Florida, 1986, 3 volumes, 251+ 231 + 206 pages = 686 pages.

16. N. Voiculetz, A.T. Balaban, I. Niculescu-Duvaz and Z. Simon, Modeling of Cancer Genesis and Prevention", CRC Press, Boca Raton, Florida, 1990, 251 pages.

17. M. Banciu and A.T. Balaban, "C.D. Nenitzescu: His Life and His Work" (in Roumanian), Editura Academiei Romane, Bucharest, 1995, 256 pages.

B. Book Chapters

2. A.T. Balaban and C.D. Nenitzescu: "Dehydrogenating Condensations of Aromatics (Scholl and Related Reactions)", in "Friedel-Crafts and Related Reactions", editor G.A. Olah, Wiley-Interscience, New-York, 1964, vol. 2. p. 979-1047.

3. C.D. Nenitzescu and A.T. Balaban: "Aliphatic Acylation", in the same book, vol. 3, p.1033-1152.

6. A.T. Balaban, M. Frangopol, P.T. Frangopol and E. Gard, "Synthesis of labelled compounds based on pyrylium salts", in "Preparation and Bio-Medical Application of Labelled Molecules", Euratom, Brussels, 1964, p. 45-53, (ed. J. Sirchis).

8. A.T. Balaban, W. Schroth and G. Fischer, "Pyrylium Salts. I. Synthesis", in Advances in Heterocyclic Chemistry, (eds. A. R. Katritzky and A. J. Boulton), Academic Press, New York, 1969, vol. 10, p. 241-326.

15. A.T. Balaban, chapter on “Radioactivity”, in “International Pharmacopeia”, WHO, Geneva, 1971.

21. A.T. Balaban, "The pyrylium cation as a synthon in organic chemistry", in "New Trends in Heterocyclic Chemistry", (eds. R.B. Mitra, N.R. Ayyangar, V.N Gogte, R.M. Acheson and N. Cromwell), Elsevier, Amsterdam, 1979, p. 79-111.

22. D.H. Rouvray and A.T. Balaban, "Chemical Applications of Graph Theory", in Applications of Graph Theory", (eds. R. J. Wilson and L.W.Beineke), Acadmic Press, London, 1979, p. 177-221.

23. A.T. Balaban, "Steric versus electronic effects of deuterium", in "Synthesis and Applications of Isotopically Labelled Compounds" (eds. W.P. Duncan and A.B. Susan), Proc. Internat. Symp. Kansas City 1982, Elsevier, Amsterdam, 1983, p.237-242.

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24. A.T. Balaban, I. Motoc, D. Bonchev and O. Mekenyan, "Topological indices for structure-activity correlations", in “Steric Effects in Drug Design", (eds. M. Charton and I. Motoc), Topics Curr. Chem., 1983, vol. 114, 21-55, Springer, Berlin.

27. A.T. Balaban, S. Badilescu and I.I. Badilescu, "Infrared absorption spectra of heterocyclic compounds", in "Physical Methods in Heterocyclic Chemistry ", (ed. R.R. Gupta), Wiley-Interscience, New York, 1984, p. 1-139.

28. Z. Simon, D. Ciubotariu and A.T. Balaban, "Reactivity and stereochemical parameters in QSAR for carcinogenic polycyclic hydrocarbon derivatives", in "QSAR and Strategies in the Design in Bioactive Compounds", p. 370-373, VCH Verlagsgesellschaft, Weinheim, 1985, Proc. of the 5th European Symp. on QSAR, Bad Segeber, (Ed. J.K. Seydel).

29. R.J. Mehlhorn, L. Packer, R. Macey, A.T. Balaban and I. Dragutan, "ESR Spin label probes of transmembrane proton movements", in "Water and Ions in Biological Systems", Proc. 3rd Internat. Conf. Bucharest, 1984 (eds. A.Pullman, V.Vasilescu and L.Packer), USSM Bucharest, 1985, p.67-174.

30. A.T. Balaban, "Steric versus electronic components of secondary deuterium effects depend on the size of electrophilic probes", in "Water and Ions in Biological Systems", Proc. 2rd Internat. Conf. Bucharest, 1982 (eds. A. Pullman, V. Vasilescu and L. Packer), Plenum Press, New York, 1985, p. 655-663.

31. A.T. Balaban, "Symbolic computation and chemistry", in "EUROCAL-85", Lecture Notes in Computer Science, No. 203 (ed. B. Buchberger), Springer, Berlin, 1985, p. 68-79.

32. A.T. Balaban, "Vistas opened by Fourier-trasform NMR in the area of compounds labelled with isotopes of hydrogen, carbon, nitrogen and oxygen" in "Synthesis and Applications of Isotopically Labeled Compounds 1985", (ed. R.R. Muccino), Elsevier, Amsterdam, 1986, p.505-510.

33. R.J. Mehlhorn, L. Packer, R. Macey, A.T. Balaban and I. Dragutan, "Measurement of transmembrane proton movements with nitroxide spin probes", in "Methods in Enzymology", 1986, 127, 738-745.

34. D. Bonchev, O. Mekenyan and A.T. Balaban, "Algorithms for coding chemical compounds", in "Mathematics and Computational Concepts in Chemistry", (Internat. Symp. Dubrovnik), (ed. N. Trinajstic), Ellis Horwood Ltd., Wiley, Chichester, 1986, p. 34-47.

37. A.T. Balaban and I. Bally, "Isotopically labelled pyrimidines and purines" in "Isotopes in the Physical and Biomedical Sciences, Labelled Compounds (Part. A)", (eds. E. Buncel and J.R. Jones), vol. 1, p. 288-329, Elsevier, Amsterdam, 1987.

38. M.D. Gheorghiu, A. Schiketanz, A. Necula and A.T. Balaban, "13C- and 3H-labelling of phenanthrene. Catalytic automerization and NMR spectra" in "Synthesis and Applications of Isotopically Labelled Compounds 1988", Proc. 3rd Internat. Symp. Innsbruck (eds. T.A. Baillie and J.R. Jones), Elsevier, Amsterdam, 1989, pp. 689-692.

39. A.T. Balaban, "Pyrylium salts as useful synthons", in "Organic Synthesis : Modern Trends" (Proc. 6th IUPAC Internat. Symp. on Organic Synthesis, Moscow), (ed. O. Chizov), Blackwell, Oxford, 1987, p. 263-274.

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40. A.T. Balaban and O. Ivanciuc, "FORTRAN-77 Computer program for calculating topological index J for molecules containing heteroatoms", in "MATH/CHEM/COMP 1988" (ed. A. Graovac). Studies in Physical and Theoretical Chemistry, No. 63, Elsevier, Amsterdam, 1989, p. 193-211.

41. I. Niculescu-Duvaz, I. Baracu and A.T. Balaban, "Alkylating agents", in "Chemistry of Antitumor Agents", (ed. D. E. V. Wilman), Blackie Publ., London , 1990, 63-130.

42. E.V. Kuznetsov, I.V. Shcherbakova and A.T. Balaban, "Benzo[c]pyrylium salts: synthesis, reactions and physical properties" in "Advances in Heterocyclic Chemistry" (ed. A.R. Katritzky), Academic Press, New York, 1990, 50, p. 157-254.

43. A.T. Balaban,"Enumeration of isomers", in "Chemical Graph Theory. Introduction and Fundamentals" (eds. D. Bonchev and D.H. Rouvray), Abacus Press - Gordon and Breach, New York, 1991, p. 177-234.

44. W. Schroth and A.T. Balaban, "Pyrylium-Salts" in Methoden der Organischen Chemie (Houben-Weyl)", vol. E7b, Hetarene II (Teil 2), (ed, R.P. Kreher), G. Thieme Verlag, Stuttgart, 1992: Introduction (p. 755-766); Synthesis (p. 767-963) (in German).

46. A.T. Balaban, "Radionuclides: Industrial applications; Uses in hydrology, agriculture, environmental studies, recombinant DNA research, and biochemistry", in "Ullmann's Encyclopedia of Industrial Chemistry, 5th ed.", VCH Verlagsgesellschaft, Weinheim, 1993, p. 562-568.

47. A.T. Balaban, "Prediction of physical properties from chemical structures", in "Recent Advances in Chemical Information" (ed. H. Collier), Royal Society of Chemistry, Special Publication No. 120, London, 1993.

48. A.T. Balaban, "Reaction graphs", in "Graph Theoretical Approaches to Chemical Reactivity", (eds. D. Bonchev and O. Mekenyan), Kluwer Academic Publishers, Dordrecht, Netherlands, 1994, pp.137-180.

49. A.T. Balaban, "Symmetry of graphs", in "Chemical Group Theory. Introduction and Fundamentals" (eds. D. Bonchev and D.H. Rouvray), Gordon and Breach Publishers, New York, 1994.

50. A.T. Balaban, "Trimethylpyrylium" in vol. 7, pp. 5224-5227; "Triphenylpyrylium" in vol. 8, pp. 5407-5411, monographs in "Encyclopedia of Reagents for Organic Synthesis", (L.A. Paquette, ed.), Wiley, New York, 1996.

51. O. Ivanciuc and A.T. Balaban, “Graph theory in chemistry” in “Encyclopedia of Computational Chemistry” (eds. P.v.R. Schleyer, N.L. Allinger, T. Clark, J. Gasteiger, P.A. Kollman, H.F. Scaefer III and P.R. Schreiner), Wiley, Chichester, pp. 1169-1190, 1998.

52. A.T. Balaban, “Theoretical investigation of carbon nets and molecules” in “Theoretical Organic Chemistry” (ed. C. Parkanyi), Elsevier, Amsterdam, 1998, pp. 381-404.

53. A.T. Balaban, “Science evaluation in universities and research institutes: similiarities and differences”, in “Evaluation of Science and Technology”, NATO Advanced Research Workshop, Prague, 25-28 November (eds. V. Paces, L. Pivec and A. H. Teich), IOS Press, Series 4, vol. 28, Amsterdam, 1997, pp.60-64.

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55. A. T. Balaban, “Quantitative structure-activity relationships and computational methods in drug discovery” in “Encyclopedia of Analytical Chemistry” (R. A. Meyers, Ed.), Wiley, Chichester, 2000, Vol. 8, pp. 7288-7311.

56. A. T. Balaban, “A personal view about topological indices for QSAR/QSPR” in “QSAR/QSPR Studies by Molecular Descriptors” (M. Diudea, Ed.), Huntington, New York, 2000, pp. 9-37.

C . Articles in peer-reviewed scientific periodicals

C.1. Pyrylium and pyridinium salts

5. A.T. Balaban and C.D. Nenitzescu, Liebigs Ann. Chem., 1959, 625, 66-73: Reactions catalyzed by aluminium chloride. XXVI. The reaction of alkanes with carbon monoxide (in German).

6. A.T. Balaban and C.D. Nenitzescu, Liebigs Ann. Chem., 1959, 625, 74-88: Reactions catalyzed by aluminium chloride. XXVII. A synthesis of pyrylium salts from acid chlorides and olefins (Pyrylium salts I). (in German).

10. A.T. Balaban, V.E. Sahini and E. Keplinger, Tetrahedron, 1960, 9,163-174 : Electronic absorption spectra of alkyl- and phenyl-substituted pyrylium salts.

11. A.T. Balaban and C.D. Nenitzescu, Izv. Akad. Nauk SSSR, Otdel. Khim. Nauk, 1960, 2064-2065: Ultraviolet absorption spectrum of pyrylium perchlorate (in Russian),

14. A.T. Balaban and C.D. Nenitzescu, Tetrahedron Lett., 1960, No. 2, 7-10: Preparation of pyrylium salts by olefin diacylation. The two pyrylium salts formed in amylene diacetylation with various catalysts.

15. A.T. Balaban and C.D. Nenitzescu, J. Chem. Soc., 1961, 3553-3560: Pyrylium salts obtained by diacylation of olefins. II. The two pyrylium salts formed in the diacylation of 2-methyl-2-butene.

16. A.T. Balaban and C.D. Nenitzescu, J. Chem. Soc., 1961, 3561-3564: Pyrylium salts obtained by diacylation of olefins. III. Diacylation of cyclic olefins and a novel synthesis of isoquinoline derivatives.

17. A.T. Balaban, C.D. Nenitzescu, M. Gavat and G. Mateescu, J. Chem. Soc., 1961, 3564-3566: Pyrylium salts obtained by diacylation of olefins. IV. Di- and tri-acetylation of allylbenzene.

18. A.T. Balaban and C.D. Nenitzescu, J. Chem. Soc., 1961, 3566-3572: Reaction of pyrylium salts with alkali cyanides (Reaction of pyrylium salts with nucleophiles. I.)

19. A.T. Balaban, A. Ghenea and C.D. Nenitzescu, Izv. Akad. Nauk SSSR, Otdel. Khim. Nauk, 1961, 1102-1107: Pyrylium salts obtained by diacylation of olefins. V. Diacylation of di- and triisobutene (in Russian).

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21. A.T. Balaban and C.D. Nenitzescu, Rev. Chim. Acad. R.P. Romania, 1961, 6, 269-294: Investigations in the class of pyrylium salts. Roumanian version in Studii si cercetari Chim., Acad. R. P. Roumania, 1961, 9, 251-274.

27. A.T. Balaban, P.T. Frangopol, G. Mateescu and C.D. Nenitzescu, Bull. Soc. Chim. France, 1962, 298-302 : Structure and reactions of pyranol-hydrazides (Reactions of pyrylium salts with nucleophiles. II) (in French).

28. E.Gard and A.T. Balaban, J. Electronal. Chem., 1962, 4, 48-50: Polarographic reduction of pyrylium salts.

29. A.T. Balaban, G. Mihai and C.D. Nenitzescu, Tetrahedron, 1962, 18, 257-259: Reduction of pyrylium salts with sodium borohydride. (Reactions of pyrylium salts with nucleophiles. III).

30. A.T. Balaban, D. Farcasiu and C.D. Nenitzescu, Tetrahedron, 1962, 18, 1075-1078: Pyrylium salts obtained by diacylation of olefins. VII. Diacylation of propene to 2,6-disubstituted pyrylium salts.

31. A.T. Balaban, M. Gavat and C.D. Nenitzescu, Tetrahedron, 1962, 18, 1079-1081: Pyrylium salts obtained by diacylation of olefins. VIII. Intramolecular diacylation.

32. A.T. Balaban, P.T. Frangopol, A.R. Katritzky and C.D. Nenitzescu, J. Chem. Soc., 1962, 3889-3895: Pyrylium salts obtained by diacylation of olefins. IX. Formation of vinylogous pyrones by triacylation of isobutene.

33. A.T. Balaban, E. Barabas and M. Farcasiu, Chem. and Ind., 1962, 781-782: Pyrylium salts obtained by diacylation of olefins. X. Diacetylation of 2-methyl-2-ene catalysed by beryllium chloride.

34. A.T, Balaban, G.D. Mateescu and M. Elian, Tetrahedron, 1962, 18, 1083-1094: Infra-red absorption spectra of pyrylium salts.

46. A.T. Balaban, Tetrahedron Lett., 1963, 91-94: Pyrylium salts formed by diacylation of alkenes. XII. Diacylation of 2-methylpropenylbenzene.

49. A.T. Balaban, Comptes rendus, 1963, 256, 4041-4043: Preparation of pyrylium halides (in French).

50. A.T. Balaban, Comptes rendus, 1963, 256, 4239-4242: On the formation mechanism of pyrylium salts by dehydrogenation of 1,5-diketones (in French).

55. A.T. Balaban, M. Mocanu, and Z. Simon, Tetrahedron, 1964, 20,119-130: Charge-transfer spectra of pyrylium iodides (Molecular complexes with aromatic cations as electron-acceptors. I).

56. A.T. Balaban, C. Bratu, and C.N. Rentea, Tetrahedron, 1964, 20, 265-269: One-electron reduction of pyrylium salts.

58. A.T. Balaban, M. Gavat, P.T. Frangopol, M. Mocanu and C.D. Nenitzescu, Rev. Roum. Chim., 1964, 9, 79-92: Pyrylium salts obtained by diacylation of olefins. XIII. Pyrylium salts with para-substituted phenyl groups. Romanian version, Studii si Cercetari Chim. Acad. R. P. Roumania, 1964, 12, 71-85.

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59. D. Farcasiu, M. Farcasiu and A.T. Balaban, Rev. Roum. Chim., 1964, 9, 137-145: Pyrylium salts obtained by diacylation of olefins. XIV. Acetylation of α,β-unsaturated ketones, β-hydroxyketones and β-chloro-ketones derived from 2-methyl-butenes. Roumanian version in Studii si Cercetari Chim. Acad. R. P. Roumania, 1964, 12, 131-138.

60. A.T. Balaban, G.R. Bedford and A.R. Katritzky, J. Chem. Soc., 1964, 1646-1649: The nuclear magnetic resonance of heterocyclic systems. Part I. Pyrylium salts.

61. A.T. Balaban and C.D. Nenitzescu, Org. Synth., 1964, 44, 98-103: 2,4,6-Trimethylpyrylium perchlorate. Reprinted in Org. Synth. Coll. Vol. 5, 1106-1108 (1973).

66. Z. Simon and A.T. Balaban, Rev. Roum. Chim., 1964, 9, 339-349: Energy levels of pyrylium salts with para-substituted phenyl groups.

71. A.T. Balaban, T.H. Crawford and R.H. Wiley, J. Org. Chem. 1965, 30, 879-882: Configurations of substituted 5-cyanosorbic acid. An intramolecular Ritter reaction.

81. A.T. Balaban, E. Romas and C.C. Rentea, Tetrahedron, 1966, 22, 1-5: Pyrylium salts formed by diacylation of olefins. XVI. A low-melting hydrate of 2,6-di-n-propyl-4-methylpyrylium perchlorate.

82. A.T. Balaban and C. Toma, Tetrahedron, 1966, Suppl. 7, 1-8: Reaction of pyrylium salts with nucleophiles. IV. Isolation of an intermediate in the conversion of 2,4,6-triphenylpyrylium perchlorate into 2,4,6-triphenylpyridine by amonia.

83. C. Toma and A.T. Balaban, Tetrahedron, 1966, Suppl. 7, 9-25: Reaction of pyrylium salts with nucleophiles. V. Reaction with primary amines.

84. C. Toma and A.T. Balaban, Tetrahedron, 1966, Suppl. 7, 27-34: Reaction of pyrylium salts with nucleophiles. VI. Reaction with amino acids.

85. A.T. Balaban and N.S. Barbulescu, Rev. Roum. Chim., 1966, 11,109-112: Conversion of dicyclic 1,5-ketones into pyrylium salts.

87. C.C. Rentea, A.T. Balaban and Z. Simon, Rev. Roum. Chim., 1966, 11, 1193-1203: HMO Calculations of the ground-state of pyrylium salts and correlations with experimental data for their reactivity and NMR spectra.

101. A.T. Balaban, A.R. Katritzky and B. Semple, Tetrahedron, 1967, 23, 4001-4008: Some novel t-butylation reactions in the conversion of phenyl-substituted 1,5-diketones to pyrylium salts.

104. D. Farcasiu, C. Uncuta and A.T. Balaban, Rev. Roum. Chim., 1967, 12, 899-903: Pyrylium salts obtained by diacylation of olefins. XVII. Acylations with acid chlorides catalysed by perchloric acid.

114. A.T. Balaban, Tetrahedron, 1968, 24, 5059-5065: Reaction of pyrylium salts with nucleophiles. VII. Conversion of 2,4,6-triphenylpyrylium into isoxazole or pyrazole derivatives by hydroxylamine or phenylhydrazine.

116. A.T. Balaban, Tetrahedron Letters, 1968, 4643-4644: Pyrylium salts formed by diacylation of olefins. XVIII. Diacetylation of cyclododecene.

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123. A.B. Susan and A.T. Balaban, Rev. Roum. Chim., 1969, 14, 111-120: Reaction of pyrylium salts with nucleophiles. VIII. Triphenylpyrylium and methylamine: Thermal degradation of N-methyl-2,4,6-triphenylpyridinium halides to methyl halides and 2,4,6-triphenylpyridines.

129. G.V. Boyd and A.T. Balaban, Rev. Roum. Chim., 1969, 14, 1575-1577: A correlation between chemical shifts of methyl protons and electron densities in substituted pyrylium salts.

130. A. Camerman, L.H. Jensen and A.T. Balaban, Acta Cryst., 1969, 25B, 2623-2630: The molecular structure of N-phenyl-2,4,6-trimethyl-pyridinium perchlorate.

131. O. Buchardt, C.P. Pedersen, U. Svanholm, A.M. Duffield and A.T. Balaban, Acta Chem. Scand., 1969, 23, 3125-3138: Seven-membered heterocyclic rings. I. Formation of substituted 4H-1,2-diazepines from 2,4,6-triarylpyrylium salts and hydrazine.

126. A.T. Balaban, Rev. Roum. Chim., 1969, 14, 1331-1332: Pyrylium salts formed by diacylation of olefins. XIX. Characterization of olefins by diacylation: acid dealkylation of 3,5-di-t-butyl-pyrocatechol.

134. A.T. Balaban, Tetrahedron, 1970, 26, 739-742: Reaction of pyrylium salts with nucleophiles. IX. Formation of 1,2-diazepine or 2-pyrazoline derivatives from 2,4,6-triphenylpyrylium salts and hydrazine.

143. A.M. Duffield, C. Djerassi and A.T. Balaban, Org. Mass Spectrometry, 1971, 5, 87-93: Mass spectrometry in structural and stereochemical problems. Part. 200. Study of the fragmentation processes of some pyrylium salts.

146. D. Farcasiu, A. Vasilescu and A.T. Balaban, Tetrahedron, 1971, 27, 681-685: Synthesis and reactivity of 2,6-dimethylpyrylium salts.

175. A.T. Balaban, Rev. Roum. Chim., 1973, 18, 1609-1612: Reaction of pyrylium salts with nucleophiles. X. N(12)-substituted 11,13-dimethyl-[9](2,6)-pyridophanium perchlorates.

176. A.T. Balaban and A.J. Boulton, Org. Synth., Coll. Vol.5, 1112-1113 (1973): 2,4,6-Trimethyl-pyrylium tetrafluoroborate.

177. A.T. Balaban and A.J. Boulton, Org. Synth., Coll. Vol.5, 1114-1116 (1973): 2,4,6-Trimethyl-pyrylium trifluoromethanesulfonate.

187. A.T. Balaban and M. Paraschiv, Rev. Roum. Chim.,1974, 19, 1731-1734: Molecular complexes with aromatic cations as electron acceptors. II. Charge-transfer spectrum of 2,4,6-triphenylpyrylium thiocyanate.

192. A.T. Balaban and V. Wray, Z. Naturforsch., 1975, 30b, 654-655: 13C-Magnetic resonance spectra of alkyl-substituted pyrylium salts.

196. A. Bota, A.T. Balaban and F. Chiraleu, Rev. Roum. Chim., 1976, 21, 101-106: Pyrylium salts formed by diacylation of olefins. Part XX. Proton NMR Spectra of 2,4,6-trimethyl-3-phenyl-pyrylium and -pyridinium salts.

198. C. Uncuta and A.T. Balaban, Rev. Roum. Chim., 1976, 21, 251-255: Reaction of pyrylium salts with nucleophiles. XI. Chemical shift non-equivalence of isopropyl in atropisomeric 1-aryl-2-isopropyl-4,6-dimethylpyridinium salts.

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200. S. Badilescu and A.T. Balaban, Spectrochim Acta., 1976, 32A, 1311-1318: Molecular complexes with aromatic cations as electron-acceptors. III. Charge transfer spectra of substituted pyrylium thiocyanates, selenocyanates and iodides.

203. A.T. Balaban and I.I. Badilescu, Rev. Roum. Chim., 1976, 21, 1339-1343: Pyrylium salts formed by diacylation of olefins. XXI. Diacetylation of cyclodecene to 9,11-dimethyl-[7](2,6)-pyrylophanium perchlorate.

204. A.T. Balaban, A. Bota and I.I. Stanoiu, Rev. Roum. Chim., 1976, 21, 1183-1187: Pyrylium salts formed by diacylation of olefins. XXII. Triacylation of 2,3-dimethyl-2-butene.

208. M. Gheorghiu and A.T. Balaban, Rev. Roum. Chim.,1976, 21,1513-1525: Ground and excited state SCF-PPP-CI calculations for pyrylium salts.

212. A.T. Balaban and V. Wray, Org. Magnetic Resonance, 1987, 9, 16-22: 13C-NMR Spectra of some pyrylium salts and related compounds.

213. A.T. Balaban, A. Bota F. Chiraleu, E. Sliam, A. Hanes and C. Draghici, Rev. Roum. Chim., 1977, 22, 1003-1015: Pyrylium salts formed by diacylation of olefins. XXIII. Isomeric ethyltrimethyl-pyridines from the diacetylation of hexenes and methylpentenes.

223. A.T. Balaban, Org. Prep. Proced. Internat., 1977 9, 125-130: Improved synthesis of 2,6-di-t-butyl-4-methylpyrylium chlorostannate and 2,6-di-t-butyl-4-methylpyridine.

231. A.T. Balaban, Tetrahedron Letters, 1978, 599-600: Synthesis and spectra of pyrylo-trimethine-cyanines.

229. A.T. Balaban and M. Gheorghiu, Rev. Roum. Chim., 1978, 23, 1065-1077: Solvent and lanthanide-induced shifts in the 1H-NMR spectra of 4-acetonylidene-2,6-dimethyl-[4H]-pyran and its tautomeric protonated pyrylium cations.

233. A.R. Katritzky, J.B. Bapat, R.M. Claramunt-Elguero, F.S. Yates, A. Dinculescu, A.T. Balaban and F. Chiraleu, J. Chem. Res., (S), 1978, 395; J. Chem. Res. (M), 1978, 4783-4797: Reactions of pyrylium salts with aliphatic diamines and chloro- and hydroxy-amines. (Reactions of pyrylium salts with nucleophiles. XII).

237. A.T. Balaban, Tetrahedron Letters, 1978, 5055-5056: Lanthanide-induced shifts of pyridines, pyridinium and pyrylium salts.

241. A.T. Balaban, A. Dinculescu, H. N. Koutrakis and F.Chiraleu, Tetrahedron Letters, 1979, 437-430: Methyl chemical shifts in 1H-NMR spectra of 1-R-2,4,6-trimethylpyridinium salts as simple probes for the existence and magnitude of ring current in group R.

243. A. Dinculescu, H.N. Koutrakis and A.T. Balaban, Rev. Roum. Chim., 1979, 24, 439-442: Reaction of pyrylium salts with nucleophiles. XIII. Pyridinium salts from primary aromatic and heterocyclic amines.

244. S. Badilescu, I. Manu and A.T. Balaban, Rev. Roum. Chim., 1979, 24, 947-955: Molecular complex with aromatic cations as electron-acceptors. IV. Charge-transfer spectra of pyrylium 2-aza-1,2,3,3-tetracyanopropenides.

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258. A.T. Balaban, C. Uncuta, A. Dinculescu, M. Elian and F. Chiraleu, Tetrahedron Letters, 1980, 21, 1553-1556: Rotation barriers in N-substituted 2,4,6-trimethylpyridinium cations.

259. A. Dinculescu and A.T. Balaban, Rev. Roum. Chim.,1980, 25, 1505-1528: Reactions of pyrylium salts with nucleophiles. XIV. New pyridinium salts with potential biological activity.

265. A.T. Balaban, A. Dinculescu, F. Iordache, F. Chiraleu and D. Patrascoiu, Chem. Scripta, 1981, 18, 230-232: Ring current determination from 1H-NMR spectra of N-aryl-2,4,6-trimethylpyridinium salts: scope and limitations.

272. A. Dinculescu and A.T. Balaban, Org. Prep. Proc. Internat., 1982, 14, 39-44: 2,4,6-Trimethyl-pyrylium sulfoacetate.

273. A.T. Balaban and M. Paraschiv, Rev. Roum. Chim., 1982, 27, 513-521: Molecular complexes with aromatic cations as electron acceptors. V. Inter- and intramolecular charge transfer of amino-substituted pyridinium salts evidenced by electronic absorption spectra.

277. M. Banciu, A.T. Balaban, C. Draghici and R. Vlad, Rev. Roum. Chim., 1982, 27, 1037-1046: Synthesis of pyrylium salts with an annelated benzo[f,i]-bicyclo[3.2.2]nona-6,8-diene skeleton (oxonia-homotriptycenes) and their reactions with nucleophiles.

280. A.T. Balaban and A. Bota, Org. Prep. Proc. Internat., 1982, 14, 31-38: Preparation of 2,3,4,6-tetramethylpyrylium perchlorate and 2,3,4,6-tetramethylpyridine.

289. A.T. Balaban, M. Fahmy, M.D. Gheorghiu, and V. Wray, Liebigs Ann. Chem., 1983, 1807-1817: Doubly vinylogous 4H-pyrones from pyrylium salts and aryl-β-chlorovinyl ketones.

294. A. Dinculescu, M. Fahmy, F. Chiraleu and A.T. Balaban, Rev. Roum. Chim., 1983, 28, 699-705: Reactions of pyrylium salts with nucleophiles. XVI. New N-substituted 2,4,6-trimethylpyridinium salts and their 1H-NMR spectra.

295. C. Roussel, A.T. Balaban, U. Berg, M. Chanon, R. Gallo, G. Klatte, J.A. Memiaghe, J. Metzger, D. Oniciu and J. Pierrot-Sanders, Tetrahedron, 1983, 39, 4209-4219: Gear effect. X. Conformational aspects of the positive or negative buttressing effects of methyl groups: polymethylpyridines.

298. E. Stepan and A.T. Balaban, Rev. Roum. Chim., 1983, 28, 707-714: Reactions of pyrylium salts with nucleophiles. XVII. New 2,4,6-trisubstituted bis-and tris-pyridinium salts and their 1H-NMR spectra.

301. A.T. Balaban, M.D. Gheorghiu and T.S. Balaban, J. Mol. Struct. 1984, 114, 363-366: Isolable rotamers of N-(9-fluorenyl)-pyridinium salts owing to restricted rotation around the C(sp3)-N(sp2) single bond.

303. V.T. Ciorba, S. Badilescu, A. Meghea, I. Schiketanz and A.T. Balaban, Rev. Roum. Chim., 1984, 29, 817-827: Molecular complexes with aromatic cations as electron-acceptors. VI. A new method for preparing polyphenylpyrylium salts with 7,7',8,8'-tetracyano-para-quinodimethane radical-anions.

306. A. Dinculescu and A.T. Balaban, Org. Prep. Proc. Internat., 1984, 16, 407-410: 2,4,6-Triphenyl-pyrylium hydrogen sulfate.

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309. A.T. Balaban, C. Uncuta, M. Elian, F. Chiraleu and A. Dinculescu, Tetrahedron, 1984, 40, 2547-2553: Hindered rotation around the N(sp2)-C(sp3) single bond in 2,4,6-trimethyl-N-alkylpyridinium cations: 1H-DNMR analysis.

318. C. Rullière, A. Declémy and A.T. Balaban, Canad. J. Phys., 1985, 63, 191-194: Correlation between the possibility of lasser effect and oscillation force of the fluorescent transition: the case of pyrylium salts (in French).

320. A.T. Balaban, V. Wray, N.G. Furmanova, V.I. Minkin, L.S. Minkina, Yu.E. Czernysch and G.S. Borodkin, Liebigs Ann. Chem., 1985, 1587-1595: Dipole moment, dynamic NMR and molecular structure of vinylogous 4H-pyrones.

323. A.T. Balaban, A. Dinculescu, J. Elguero and R. Faure, Magn. Reson. Chem., 1985, 23, 553-558: Carbon-13 NMR studies of primary amines and their corresponding 2,4,6-trimethylpyridinium salts.

325. T.S. Balaban, M.D. Gheorghiu, C. Roussel and A.T. Balaban, Z. Naturforsch., 1985, 40b, 1555-1557: Chiral rotamers of N-(1-indanyl)-pyridinium salts and their restricted rotation around the C(sp3)-N(sp2) single bond.

328. T.S. Balaban, C. Uncuta, M.D. Gheorghiu and A.T. Balaban, Tetrahedron Letters, 1985, 26, 4669-4672: Factors affecting the interaction of lanthanide shift reagents with substituted pyridines.

329. C. Uncuta, T.S. Balaban, M.D. Gheorghiu, L. Stanescu, A. Petride and A.T. Balaban, Tetrahedron Letters, 1985, 26, 4673-4676: Janus-type isopropyl groups revealed by 1H-NMR spectra of alkylpyridines with lanthanide shift reagents (LSR).

339. M. Bugeanu, V.E. Sahini, V.T. Ciorba and A.T. Balaban, Rev. Roum. Chim., 1986, 31, 1013-1018: Molecular complexes with aromatic cations as electron acceptors. VII. Spectrometric, conductimetric and dipolar data of phenyl-substituted pyrylium salts with tetracyano-para-quinodimethane anions.

341. A.T. Balaban, G. Marton and I. Schiketanz, Rev. Roum. Chim., 1986, 31, 37-47: Reaction of pyrylium salts with nucleophiles. XVIII. Synthesis of 4-(p-n-butoxyphenyl)-2,6-dimethylpyridine and 2,6-dimethyl-4-(p-n-pentylphenyl)-pyridine.

349. A.T. Balaban and E. Stepan, Rev. Roum. Chim., 1987, 32, 155-177: Reactions of pyrylium salts with nucleophiles. XIX. Novel bispyridinium salts with potential biological activity.

351. T.S. Balaban and A.T. Balaban, Tetrahedron Letters, 1987, 28, 1341-1344: ∆3-Dihydropyrans and tetrahydropyrans by reduction of pyrylium salts with sodium borohydride in acetic acid.

357. C. Uncuta, M.D. Gheorghiu and A.T. Balaban, Tetrahedron Letters, 1987, 28, 3143-3144: Formation of 6,6-dimethyl-2,6-cyclohexadienylidene-1-imines from primary amines and 2,6-diisopropylpyrylium salts.

358. A. Dinculescu, T.S. Balaban and A.T. Balaban, Tetrahedron Letters, 1987, 28, 3145-3146: Synthesis of indolizines starting from pyrylium salts.

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360. A.T. Balaban, M.D. Gheorghiu, I.V. Shcherbakova, E.V. Kuznetsov and I.A. Yudilevich, Tetrahedron, 1987, 43, 409-414: 2-Benzopyrylium salts. XXXI. Analogs of Reissert compounds from 2-benzopyrylium salts and sodium cyanide.

361. I.V. Shcherbakova, E.V. Kuznetsov, I.Yu. Ckhim, M. Gheorghiu, A. Meghea, J. Herdan and A.T. Balaban, Rev. Roum. Chim., 1987, 32, 417-426: 2-Benzopyrylium salts. XXXII. Synthesis and some chemical and spectral properties of 1- and/or 3-(3,5-di-t-butyl-4-hydroxyphenyl)-substituted 2-benzopyrylium salts.

368. A.T. Balaban and Choi Il, Rev. Roum. Chim., 1988, 33, 377-383: Reaction of pyrylium salts with nucleophiles. XX. Synthesis of 3-(N-pyridinium)-4'-dialkylaminoazobenzene and of 4-(4-dialkylamino-phenylazo)-4'-(N-pyridinium)-biphenyl derivatives.

372. T.S. Balaban and A.T. Balaban, Org. Prep. Proc. Int., 1988, 20, 231-236: 4-Phenyl-∆3-dihydropyrans by reduction of pyrylium salts with sodium borohydride in acetic acid.

373. A. Dinculescu, T.S. Balaban and A.T. Balaban, Org. Prep. Proc. Internat., 1988, 20, 237-243: Synthesis of alkyl-indolizines from pyrylium salts.

374. T.S. Balaban, A. Dinculescu and A.T. Balaban, Org. Prep. Proc. Internat., 1988, 20, 289-292: Preparation of 2,6-dimethyl-4-phenylpyrylium sulfoacetate.

377. C. Uncuta, M.D. Gheorghiu, F. Chiraleu, M. Plaveti, M. Elian and A.T. Balaban, Rev. Roum. Chim., 1988, 33, 719-727: Reaction of pyrylium salts with nucleophiles. XXI. Unexpected formation of 6,6-dimethyl-5-isopropyl-2,4-cyclohexadienylidene-1-imines from primary amines and 2,6-diisopropyl-pyrylium salts.

381. I.V. Shcherbakova, E.V. Kuznetsov, I.A. Yudilevich, O.E. Kopman, A.T. Balaban, A.H. Abolin, A.V. Polyakov and Yu.T. Struchkov, Tetrahedron, 1988, 44, 6217-6224: 2-Benzopyrylium salts. XXXVII. Oxygen analogs of Reissert compounds: molecular structure and reactions with sodium hydroxide.

385. A.T. Balaban and T.S. Balaban, Rev. Roum. Chim., 1989, 34, 41-50: Pyrylium salts formed by diacylation of olefins. Part XXIV. Synthesis of meta-terphenyl derivatives and heterocyclic analogues via bis-pyrylium salts obtained by bis-diacetylation of meta-diisopropenylbenzene.

386. M. Stanescu, M. Banciu and A.T. Balaban, Rev. Roum. Chim., 1989, 34, 617-622: 1-Oxonia and 1-aza analogues of triptycene.

390. C. Uncuta, T.S. Balaban, A. Petride, F. Chiraleu and A.T. Balaban, Rev. Roum. Chim., 1989, 34, 1425-1437: Reaction of pyrylium salts with nucleophiles. XXII. Regioselectivity (formation of aniline derivatives from primary amines and non-symmetrically substituted pyrylium salts) and chemoselectivity (pyridinium vs. aniline formation).

406. C. Uncuta, F. Chiraleu, M.D. Gheorghiu and A.T. Balaban, Rev. Roum. Chim., 1990, 35, 323-338: Reactions of pyrylium salts with nucleophiles. XV. Stereoisomers of polyarylpyridinium salts and their interconversion.

412. A. Marton, U. Bologa, T.S. Balaban, M.D. Gheorghiu and A.T. Balaban, Rev. Roum. Chim., 1990, 35, 415-419: 1H-NMR assignments for 2,4-diaryl-pyrylium salts and pyridines having fused 5- or 6-membered saturated rings bridging 5,6-positions.

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414. D.C. Oniciu, A. Marton, T.S. Balaban, S. Vlad and A.T. Balaban, Rev. Roum. Chim., 1990, 35, 561-565: Synthesis of 2,6-dimethyl-4-styrylpyrylium salts (from 2,4,6-trimethylpyrylium and donor-substituted benzaldehydes) and their conversion into pyridines.

417. C. Uncuta, I. Paun, A. Ghitescu, C. Deleanu, T.S. Balaban, F. Chiraleu, M.D. Gheorghiu and A.T.Balaban, Tetrahedron Lett. 1990, 31, 5645-5648: Stereoisomers due to restricted rotation in N-substituted 2,6-di-ortho-tolylpyridinium cations. A molecular design enabling unambiguous identification of isomers.

428. A. Dinculescu, T.S. Balaban, C. Popescu, D. Toader and A.T. Balaban, Bull. Soc Chim. Belg., Eur. Sect. 1991, 100, 665-672: Synthesis of pyrylium salts with various anions.

433. T.S. Balaban, A.T. Balaban, N.G. Furmanova and N.I. Sorokina, Kristallografiya, 1992, 37, 95-99 : Crystal and molecular structure of syn-periplanar N-(9-fluorenyl)-2-isopropyl-4,6-dimethyl-pyridinium perchlorate (in Russian).

435. F. Hampel, D. Willem, P. von R. Schleyer and A.T. Balaban, Tetrahedron, 1992, 48, 6799-6806: Relative stabilities of pyrylium anhydrobases (alpha/gamma-methylenepyrans) and their N-methyl-pyrydinium congeners.

439. C.T. Supuran, M.D. Banciu, G. Botez and A.T. Balaban, Rev. Roum. Chim., 1992, 37, 1375-1383: 1,3,4-Thiadiazole derivatives. Part 3. Synthesis and characterization of biolgicallly active 1-(5-mercapto-1,3,4-thidiazol-2-yl)-2,4,6-tri- and 2,3,5,6-tetrasubstituted pyridinium salts.

445. C. Supuran, G. Botez, M. Barboiu, O. Maior and A.T. Balaban, Rev. Roum. Chim., 1992, 37, 141-148: Novel pyrylium salts via reaction of alkyl-substituents with aldehydes.

448. T.S. Balaban, A.T. Balaban, D.E. Daia, K.M. Turdybekov, S.V. Lindeman and Yu.T. Struchkov, Structural Chemistry, 1992, 3, 191-194: Crystal and molecular structure of 2-acetyl-5-methyl-3-phenyl-furan.

451. C.T. Supuran, G. Manole, A. Dinculescu, A. Schiketanz, M.D. Gheorghiu, I. Puscas and A.T. Balaban, J. Pharm. Sci., 1992, 81, 716-719: Carbonic anhydrase inhibitors. Part 5. Pyrylium salts in the synthesis of isozyme-specific inhibitors.

452. A.T. Balaban, T.S. Balaban, M. Nitta and N. Kanomata, Bull. Soc. Chim. Belges, 1992, 101, 1047-1051: Bridge flipping data from dynamic 1H-NMR spectra of 2,6-dimethyl-[9](3,5)-pyridophane and its pyrylium and N-methylpyridinium analogs.

462. C.T. Supuran, M.D. Banciu and A.T. Balaban, Rev. Roum. Chim., 1993, 38, 199-205: Reaction of pyrylium salts with amino acid derivatives. Part. 1. 1-(5-Carboxy-5-acetylaminopentyl)-tri- and tetra-substituted pyridinium salts as models for lysine reactivity in proteins.

463. C.T. Supuran, D. Stoicescu, O. Maior and A.T. Balaban, Rev. Roum.Chim., 1993, 38, 605-612: Reaction of pyrylium salts with amino acid derivatives. Part. 2. Preparation of aminoglutethimide derivatives.

468. C.T. Supuran, A. Dinculescu and A.T. Balaban, Rev. Roum. Chim., 1993, 38, 343-349: Carbonic anhydrase activators. Part 5. CA II activation by 2,4,6-trisubstituted pyridinium cations with 1-(omega-aminoalkyl) side-chains.

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469. C.T. Supuran, I. Baciu and A.T. Balaban, Rev. Roum. Chim., 1993, 38, 725-732: Carbonic anhydrase activators. Part 6. Pyridinium salts derived from dopamine are inhibitors.

479. D. Farcasiu, A.T. Balaban and U.L. Bologa, Heterocycles, 1944, 37, 1165-1192: One-electron transfer reactions of pyrylium cations.

471. O. Stanciuc and A.T. Balaban, J. Pharm. Sci. 1993, 82 927-933: Reactions of pyrylium salts with nucleophiles. Part 23. Triarylethene derivatives containing an oxyalkyleneamino or oxyalkylene-N-pyridinium side-chain.

497. A.T. Balaban, M. Cravey and I. Ghiviriga, Heterocyclic Commun., 1994, 1, 17-22: Reaction of pyrylium salts with nucleophiles. Part 24. Spectral study of pyrylium salts with a long linear (para-n-alkyl)-phenyl group.

529. I. Schiketanz, D. Istrati, C. Deleanu, C. Draghici and A.T. Balaban, Coll. Czech. Chem. Commun., 1997, 62, 769-780: Reaction of pyrylium salts with nucleophiles. Part 24. New mono- and bispyridinium salts with a central 2,5-diaryloxazole group.

531. C. Uncuta, I. Paun, C. Deleanu, M. Plaveti, A.T. Balaban and C. Roussel, New J. Chem., 1997, 21, 1055-1065: Gear effect in pyridinium salts.

538. A.T. Balaban, Chem. Intelligencer, 1998, 55-56: Beautiful molecules. 2,6-Di-t-butyl-4-methyl-pyrylium: one-pot stitching together of five synthons.

541. C. Uncuta, M.T. Caproiu, V. Campeanu, A. Petride, M.G. Danila, M. Plaveti and A.T. Balaban, Tetrahedron, 1998, 54, 9747-9764: Reaction of pyrylium salts with nucleophiles. Part 25. Formation of pyridine-1-oxides, 2-isoxazolines and 1-pyrazoline-1-oxides.

558. A.L. Marton, G.I. Marton, C. Draghici, T.M. Caproiu, and A.T. Balaban, Rev. Roum. Chim. 1999, 44, 683-691: Assignments in the 1H- and 13C-NMR spectra of phenyl-substitted pyrylium and pyridinium salts.

559. A.L. Marton, G.I. Marton, C. Draghici, and A.T. Balaban, Rev. Roum. Chim. 1999, 44, 677-682: Self-condensation of chalcone to the 3-benzyl-2,4,6-triphenylpyrylium cation.

590. C. Uncuta, A. Tudose, M. T. Caproiu, C. Stavarache, and A. T. Balaban, J. Chem. Res. (S), 2001, 170-171; J. Chem. Res. (M ), 2001, 523-535: Reaction of pyrylium salts with nucleophiles. Part 26. The reaction with the cyanide anion revisited.

593. M. A. Ilies and A. T. Balaban, Exp. Opin. Ther. Patents, 2001, 11, 1729-1752: Recent developments in cationic lipid-mediated gene delivery.

596. T.S. Balaban, A.T. Balaban, S. Foro, and H.J. Lindner, ARKIVOC 2001, (i) 1-6: 1,2,6-Trimethyl-3,5-nonamethylenepyridinium perchlorate. Crystal structure and molecular mechanics calculations for ansa-[9]-meta-cyclophanes.

606. M. A. Ilies, W. A. Seitz and A. T. Balaban, Curr. Pharm. Design, 2002, 8, 2441-2473: Cationic lipids in gene delivery: principles, vector design, and therapeutical applications.

614. A. T. Balaban, A. Tudose, and M. T. Caproiu: Tetrahedron, 2003, 59, 3291-3295 Synthesis of 2,4-dimethyl-6-oxo-2,4-heptadienoic acid derivatives from 2,4,6-trimethylpyrylium salts.

616. M. A. Ilies, W. A. Seitz, M. T. Caproiu, M. Wentz, R. E. Garfield, and A. T. Balaban, Eur. J. Org. Chem. 2003, 2645-2655: Pyridinium-based cationic lipids as gene transfer agents.

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625. A. T. Balaban, I. Ghiviriga, E. W. Czerwinski, P. De, and R. Faust, J. Org. Chem. 2004, 69, 536-542: Simple synthesis of a weak nucleophilic base (4-ethyl-2,6-diisopropylpyridine) evidencing a double Janus group effect.

631. I. Ghiviriga, E.W. Czerwinski, and A. T. Balaban, Croat. Chem. Acta, 2004, 77, 391-396: Rotation barriers in pyridinium salts depend on the number of available ground state conformations.

636. M.A. Ilies, W.A. Seitz, I. Ghiviriga, B.H. Johnson, A. Miller, E.B. Thompson, and A.T. Balaban, J. Med. Chem. 2004, 47, 3744-3754: Pyridinium cationic lipids in gene delivery: a structure-activity correlation study.

647. M.A. Ilies, B.H. Johnson, F. Makori, A. Miller, W.A. Seitz, E.B. Thompson, and A.T. Balaban, Archives Biochem. Biophys. 2005, 435, 217-226: An in vitro and in vivo comparison of transfection efficiency versus a tetraalkylammonium congener.

647. M.A. Ilies, B.H. Johnson, F. Makori, A. Miller, W.A. Seitz, E.B. Thompson, and A.T. Balaban, Archives Biochem. Biophys. 2005, 435, 217-226: An in vitro and in vivo comparison of transfection efficiency versus a tetraalkylammonium congener.

664. M. A. Ilies, B. H. Johnsoon, W. A. Seitz, E. L. Ezell, A. Miller, E. B. Thompson, and A. T. Balaban, Molecular Therapy, 2005, 11, Suppl. 1, S227. Structure-activity relationships in two series of pyridinium gemini surfactants for gene delivery (Meeting Abstract # 588).

676. A. T. Balaban, M. J. Lesko, I. Ghiviriga, and W. A. Seitz, 2,6-Dialkyl-4-methylpyrylium and 6-alkyl-2,4-dimethylpyrylium salts, and the corresponding N-alkylpyridinium salts, as new ionic liquids. Rev. Chim. (Bucuresti), 2006, 57, 25-28.

679. M. A. Ilies, W. A. Seitz, B. H. Johnson, E. L. Ezell, A. L. Miller, E. B. Thompson, and A. T. Balaban, J. Med. Chem. 2006, 49, 3872-3887: Lipophilic pyrylium salts in the synthesis of efficient pyridinium-based cationic lipids, gemini surfactants, and lipophilic oligomers for gene delivery.

693. T. S. Balaban, V. L. Horhoiu, and A. T. Balaban, Org. Prep. Proc. Internat. 2007, 39, 305-308: 2,6-Diisopropyl-4-methylpyrylium hexafluorophosphate.

736. A. T. Balaban, M. A. Ilies, A. Eichhöfer, and T. S. Balaban, J. Mol. Struct. 2010, 30, 91-111: Molecular and crystal structure of a self-assembling pyridinium cationic lipid.

C.2. Furans

9. A.T. Balaban and C.D. Nenitzescu, Chem. Ber., 1960, 93, 599-602: Ring contraction of pyrylium salts to furan derivatives (in German).

35. N.I. Shuikin, I.F. Belskii, A.T. Balaban and C.D. Nenitzescu, Izv. Akad. Nauk. SSSR, Otdel. Khim. Nauk, 1962, 491-493: Catalytic conversion of homologs of 2-acetylfuran into trialkyltetrahydropyrans (in Russian).

41. A.T. Balaban, P.T. Frangopol and M. Keplinger, Spectrochim. Acta, 1963, 19, 367-368: Steric hindrance revealed by absorption spectra of 2-acyl-3,5-dialkylfurans and of their polynitrophenyl-hydrazones.

120. A.T. Balaban, Organic Preparations and Procedures, 1969, 1, 63-66: 2-Acetyl-3,5-dimethylfuran.

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255. A.T. Balaban, M.D. Gheorghiu and C. Draghici, Isr. J. Chem., 1980, 20, 168-172: 1H-NMR Conformational study of 2-acyl-3,5-dialkylfurans using lanthanide shift reagents.

389. U. Bologa, A. Schiketanz, C. Musat, D. Vilcica, C. Draghici, M.D. Gheorghiu and A.T. Balaban, Rev. Roum. Chim., 1989, 34, 1131-1137: Synthesis and stereochemistry of 3,5-dialkyl-2-furyl p-substituted styryl ketones (furanic analogues of chalcone).

430. N.G. Furmanova, N.I. Sorokina, V.I. Andrianov, U. Bologa and A.T. Balaban, Struct. Chem. 1991, 2, 651-654: Crystal and molecular structure of 1-(3,5-dimethyl-2-furyl)-3-(p-tolyl)-prop-2-en-1-one.

482. U.L. Bologa, C. Musat, M.D. Gheorghiu, A. Racoveanu-Schiketanz, I. Ghiviriga and A.T. Balaban, Acta Chem. Hung.- Models in Chemistry, 1994, 131, 61-66: Synthesis and NMR spectra of 3-(3,5-dimethylfuryl-2)-1,5-diaryl -∆2-pyrazolines.

496. K. Gunaydin, O. Anaç, U.L. Bologa and A.T. Balaban, Heterocyclic Commun., 1994, 1, 69-75: Synthesis and spectra of 3-(3,5-dimethyl-2-furoyl)-4-aryl-5-carbethoxy-∆2-pyrazolines.

530. A.T. Balaban, U. Bologa, C. Simion, and J. Sieler, Rev. Roum. Chim., 1997, 42, 517-524: Crystal and molecular structure of 3-(3,5-dimethylfuryl-2)-1-phenyl-5-para-tolyl-∆2-pyrazoline.

C.3. Oxazoles and thiazoles

23. P.T. Frangopol, A.T. Balaban, L. Birladeanu and E. Cioranescu, Tetrahedron, 1961, 16, 59-67: Synthesis of 2,5-diaryloxazoles through Friedel-Crafts reaction of azlactones with aromatic hydrocarbons (Aminoketone synthesis. III)

37. E. Cioranescu, L. Barladeanu, A.T. Balaban and C.D. Nenitzescu, Tetrahedron Lett., 1962, 359-361: Influence of water in the AlCl3-catalyzed reaction of unsaturated azlactones with aromatics (Erratum, ibid., p. 887)

39. E. Cioranescu, L. Barladeanu, P.T. Frangopol and A.T. Balaban , Rev. Chim. Acad. Romania, 1962, 7, 755-762: Aminoketone synthesis. IV. Preparation of 2-(1-naphthyl)-5-aryloxazoles.

45. A.T. Balaban, I. Bally, P.T. Frangopol, M. Bacescu, E. Cioranescu and L. Birladeanu, Tetrahedron, 1963, 19, 169-176: Preparation of 2-(4-p-biphenylyl)-5-aryloxazoles by Friedel-Crafts reaction of azlactones with aromatics. Electronic absorption spectra of 2,5-diaryloxazoles (Aminoketone synthesis. V).

51. A.T. Balaban, L. Birladeanu, I. Bally, P.T. Frangopol, M. Mocanu, and Z. Simon, Tetrahedron, 1963, 19, 2199-220: Preparation and spectra of para-substituted 2,5-diphenyloxazoles (Aminoketone synthesis. VI).

235. C. Rullière J. Joussot-Dubien, J. Bellocq and A.T. Balaban, J. chim. phys., 1978, 75, 961-968: Study of the fluorescent properties and the laser effect of some new oxazolic derivatives (in French).

276. I. Schiketanz, A.T. Balaban and E. Cioranescu, Rev. Roum. Chim., 1982, 27, 1125-1129: Aminoketone and oxazole synthesis. VII. Conversion of bis-azlactones into bis-oxazoles.

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330. I. Schiketanz, A. Schiketanz, M.D. Gheorghiu, M. Pascu, A. Vasile and A.T. Balaban, Rev. Roum. Chim., 1985, 30, 969-975: Aminoketone and oxazole synthesis. VIII. Acylaminoacylations using azlactones of fluoro-substituted hippuric acid, and 2,5-diaryloxazoles derived therefrom.

331. A.T. Balaban, I. Schiketanz, M.D. Gheorghiu and A. Schiketanz, Rev. Roum. Chim., 1985, 30, 977-984: Aminoketone and oxazole synthesis. IX. 2,2'-(p-Phenylene)-bis(5-aryloxazoles) and 2,2-(1,4-naphthalenediyl)-bis-(5-aryl-oxazoles) via acylaminoacylation of aromatic hydrocarbons.

362. A.T. Balaban, T.S. Balaban and G.V. Boyd, Synthesis, 1987, 577-578: A novel aromatic electrophilic substitution: acylation of aromatics with cyclic isoimidium salts to yield N,N-disubstituted β-aroyl-carboxamides.

363. M.C. Balaban, I. Schiketanz, A.T. Balaban, A. Schiketanz, and M.D. Gheorghiu, Rev. Roum. Chim., 1987, 32, 975-978: Aminoketone and oxazole synthesis. X. Acylation and alkylation of arenes with the azlactone of cinnamoylglycine.

364. I. Schiketanz, A. Stefanescu, M.C. Balaban, A. Schiketanz, M.D. Gheorghiu and A.T. Balaban, Rev. Roum. Chim., 1987, 32, 1175-1180: Aminoketone and oxazole synthesis. XI. Extension to the synthesis of thiazoles from 2-aza-1,4-diketones or via electrophilic substitution of arenes with 2-thiazolin-5-ones (thioazlactones).

407. M.D. Gheorghiu, I. Schiketanz, A. Schiketanz, and A.T. Balaban, Rev. Roum. Chim., 1990, 35, 339-343 : 13C-NMR Spectral assignments for 2,5-diarylthiazoles.

408. I. Schiketanz, A. Stefanescu, M.D. Gheorghiu, A. Schiketanz and A.T. Balaban, Rev. Roum. Chim., 1990, 35, 345-348: Aminoketone, oxazole and thiazole synthesis. Part. XII. 2,5-Diarylthiazoles from thioazlactones and aromatic hydrocarbons; Erratum, ibid. 1994, 39, No. 10.

446. I. Schiketanz, A. Racoveanu-Schiketanz, M.D. Gheorghiu and A.T. Balaban, Rev. Roum. Chim. 1992, 37, 1315-1323 : 13C-NMR and 1H-NMR spectra of 2,5-diaryloxazoles and their vinylogues.

474. A.T. Balaban, Roum. Chem. Quart. Rev. 1993, 1, 257-277: Aromatic six- and five-membered heterocycles : pyrylium and pyridinium cations, oxazoles and thiazoles.

477. D. Popovici, O. Maior A. Schiketanz, M. Andrei and A.T. Balaban, Analele Univ. Bucuresti, Chimie, New Series, 1993, 2, 91-95: Aminoketone, oxazole and thiazole synthesis. Part 15. Acylamino-acylations with the azlactone of hippuric acid and derived 2,5-diaryloxazoles.

548. I Schiketanz, D. Istrati, C. Draghici and A.T. Balaban, Rev. Roum. Chim. 1999, 44, 137-142: Aminoketone, oxazole and thiazole synthesis. Part 13. New 5-aryl-2-phenyloxazoles with 4-methyl or 4-isopropyl groups.

600. I Schiketanz, C. Draghici, I Saramet, and A.T. Balaban, ARKIVOC 2002 (ii), 64-72: Aminoketone, oxazole and thiazole synthesis. Part 15. 2-[4-(4-Halobenzenesulfonyl)-phenyl]-5-aryl-oxazoles.

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646. S. Ionescu, D. Popovici, A. T. Balaban, and M. Hillebrand, Spectrochim. Acta A, 2005, 62, 252-260: Experimental and theoretical study of 2,5-diaryloxazoles whose aryl are para-substituted phenyl groups.

685: S. Ionescu, D. Popovici, A. T. Balaban, and M. Hillebrand, Annals West. Univ. Timisoara (Sect. Chem.) 2006, 15, 1-8: Theoretical stdudy of the excited state properties of some alkyl substituted 2,5-diphenyloxazole derivatives.

687. S. Ionescu, D. Popovici, A. T. Balaban and M. Hillebrand, Spectrochim. Acta A, 2007, 66, 1165-1170: 2-Phenoxathiinyl-5-phenyloxazole and 5-phenoxathiinyl-2-phenyloxazole derivatives: Experimental and theoretical study of emission properties.

C.4. Aromaticity

26. A.T. Balaban and Z. Simon, Tetrahedron, 1962, 18, 315-321: Aromaticity constants (Aromaticity. II).

63. A.T. Balaban and Z. Simon, Rev. Roum. Chim., 1964, 9, 99-104: Aromaticity. IV. On the aromaticity of five-membered rings containing boron- and nitrogen-heteroatoms. Roumanian version in Studii si Cercetari Chim. Acad. R. P. Roumania, 1964, 12, 131-138.

78. A.T. Balaban and Z. Simon, Rev. Roum. Chim., 1965, 10, 1059-1092: Aromaticity. V. Stability of monocyclic aromatic compounds.

127. A.T. Balaban, Rev. Roum. Chim., 1969, 14, 1323-1330: Aromaticity. VII. Electronic absorption spectra of o-phenylene carbonate and its conjugate acid.

254. A.T. Balaban, Pure Appl. Chem., 1980, 52, 1409-1492: Is aromaticity outmoded ?

634. A.T. Balaban, D.C. Oniciu, and A.R.Katritzky, Chem. Rev. 2004, 104, 2777-2812: Aromaticity as a cornerstone in heterocyclic chemistry.

638. A.T. Balaban, Polycyclic Arom. Comp. 2004, 24, 83-89: Clar formulas: how to draw and how not to draw formulas of polycyclic aromatic compounds.

660. A. T. Balaban, P.v.R. Schleyer,and H. S. Rzepa, Crocker, not Armit and Robinson, begat the six aromatic electrons. Chem. Rev. 2005, 105, 3436-3447.

731. A. T. Balaban, T. K. Dickens, I. Gutman, and R. B. Mallion, Croat. Chem. Acta 2010, 83, 209-215: Ring currents and the PCP rule.

740. A. Ciesielski, T. M. Krygowski, M. K. Cyranski, and A. T. Balaban, Phys Chem Chem Phys 2011, 13, 3737-3747: Defining rules of aromaticity: A unified approach to the Hückel, Clar and Randić concepts.

751. A. T. Balaban, The Open Org. Chem. J. 2011, 5 (Suppl. 1-M1) 9-10: Editorial – Aromaticity.

752. D. J. Klein and A. T. Balaban, The Open Org. Chem. J. 2011, 5 (Suppl. 1-M1) 27-61: Clarology for conjugated carbon nanostructures: molecules, polymers, graphene, defected graphene, fractal benzenoids, fullerenes, nanotubes, nanocones, nanotori, etc.

753. A. T. Balaban and K. P. C. Vollhardt, The Open Org. Chem. J. 2011, 5 (Suppl. 1-M1) 117-126: Heliphenes and related structures.

754. A. T. Balaban, Phys. Chem. Chem. Phys. 2011, 13, 20649-20658: Using Clar sextets for two- and three-dimensional aromatic systems.

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755. M. Randić, A. T. Balaban, and D. Plavšić, Phys. Chem. Chem. Phys. 2011, 13, 20644-20648: Applying the conjugated circuits method to Clar structures of [n]phenylenes for determining resonance energies.

758. A. T. Balaban and R. B. Mallion, Croat. Chem. Acta 2012, 85, 37-52: Correlations between topological ring-currents, π-electron partitions, and six-centre delocalisation indices in benzenoid hydrocarbons.

759. M. Randić, D. Vukicević, A. T. Balaban, and D. Plavsić, Ring currents in hexabenzocoronene and its derivatives formed by joining proximal carbons. J. Comput. Chem. 2012, 33, 1111-1122.

C.5. Stable nitrogen free radicals and aroxyls

22. A.T. Balaban, P.T. Frangopol, M. Marculescu and I. Bally, Tetrahedron, 1961, 13, 258-267: Factors affecting stability and equilibria of free radicals. I. Steric factors in hydrazyls.

25. A.T. Balaban, M. Marculescu, I. Pascaru, M. Rotaru, A. Valeriu and M. Weiner, Z. Phys. Chem. (Leipzig), 1962, 219, 285-294: ESR hyperfine structure in hydrazyl free radicals (Factors affecting stability and equilibria of free radicals. II)

99. A.T. Balaban, P.T. Frangopol, M. Frangopol and N. Negoita, Tetrahedron, 1967, 23, 4661-4676: Stability and equilibria of free radicals. III. Preparation of stable, sterically shielded, diarylnitrogen radicals with donor and acceptor aryl groups in the same molecule.

115. A.T. Balaban P.J. Halls and A.R. Katritzky, Chem. and Ind., 1968, 651: Stable radicals from 1-hydroxybenzimidazole-3-oxides.

121. P.T. Frangopol, M. Frangopol, N. Negoita and A.T. Balaban, Rev. Roum. Chim., 1969, 14, 385-387: Factors affecting stability and equilibria of free radicals. IV. t-Butyl-1-cyanonitroxide.

125. A.T. Balaban, M. Frangopol, N. Negoita, P.T. Frangopol and M. Paraschiv, Rev. Roum. Chim., 1969, 14, 941-945: Factors affecting stability and equilibria of free radicals. V. Synthesis and spectra of polynitrophenyl-alkoxyamines.

144. A.T. Balaban, N. Negoita and I. Pascaru, Rev. Roum. Chim., 1971, 16, 721-723: N-Nitroso-phenyl-nitroxide.

148. A.T. Balaban, Rev. Roum. Chim., 1971, 16, 725-737: Stable nitrogen free radicals.

154. A.T. Balaban, I. Pascaru and F. Cuiban, J. Magn. Reson., 1972, 7, 241-246: Factors affecting stability and equilibria of free radicals. VI. Oxidation of cyclic hydroxamic acid to nitroxides.

155. A.T. Balaban and N. Negoita, Rev. Roum. Chim., 1972, 17, 1227-1234: Factors affecting stability and equilibria of free radicals. VII. Arenesulphonyl-phenyl-nitroxides and 1-arenesuphonyl-2,2-diphenyl-hydrazyls.

157. A.T. Balaban, Rev. Roum. Chim., 1972, 17, 9-24: Determination of hyperfine coupling constants from ESR spectra of organic free radicals.

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158. A.T. Balaban and A. Vasilescu, Tetrahedron Letters, 1972, 571-574: 1,2-Bis-benzenesulphonyl-1,2-diethoxyhydrazine and its temperature-dependent proton magnetic resonance spectrum.

163. A.T. Balaban, N. Negoita and R. Baican, J. Magn. Reson., 1973, 9, 1-7: Aryl-N-nitroso-nitroxides.

170. R. Istratoiu, I. Pascaru and A.T. Balaban, Z. Naturforsch., (B), 1973, 28b, 543-544: Push-pull nitrogen free radicals from benzenesulphonanilides or benzanilides with donor para-substituents.

171. N. Negoita, R. Baican and A.T. Balaban, Tetrahedron Lett., 1973, 1877-1878: N-(2,4,6-Tricarbomethoxyphenyl)-alkoxyaminyls, new push-pull stable nitrogen free radicals.

172. A.T. Balaban and R. Istratoiu, Tetrahedron Lett., 1973, 1879-1880: N-Arenesulphonyl-N-(2,2,6,6-tetramethylpiperidinyl-1)-aminyls, hydrazyls with no nitrogen-bonded aromatic groups.

173. C. Pomponiu and A.T. Balaban, Rev. Roum. Chim., 1973, 18, 1173-1209: Computing program for interpreting ESR spectra of organic free radicals.

174. N. Negoita, R. Baican , F. Domsa and A.T. Balaban, Rev. Roum. Chim., 1973, 18, 995-1004: Use of ESR spectrum simulator for determining precisely hyperfine coupling constants of stable nitrogen free radicals.

178. N. Negoita, R. Baican and A.T. Balaban, Tetrahedron, 1974, 30, 73-74: Factors affecting stability and equilibria of free radicals. VIII.1-Cyano-2,2-diphenylhydrazyl.

179. A.T. Balaban, H.G. Aurich, J. Trosken, E. Brugger, D. Döpp and K.H. Sailer, Tetrahedron, 1974, 30, 739-744 : Aminyloxides (nitroxides) from 1-hydroxy-2-indolinones.

180. A.T. Balaban and C. Pomponiu, Rev. Roum. Chim., 1974, 19, 581-630: Computer program for determining all possible ESR spectra with equidistant lines.

183. A.T. Balaban, N. Negoita and R. Baican, Chem. Phys. Letters, 1974, 24, 30-32: 2,2-Diphenyl-1-(trifluoromethanesulphonyl)-hydrazyl.

185. A.T. Balaban M. T. Caproiu, N. Negoita and R. Baican, Tetrahedron Lett. 1974, 4091-4094: Non-equivalence of aryl groups in 1,1-diaryl-1,2-benzenesulphonyl-hydrazyls.

195. R. Baican, N. Negoita and A.T. Balaban, Rev. Roum. Phys., 1976, 21, 213-215: A new proposed standard stable free radical for ESR measurements : 1-cyano-2,2-diphenylhydrazyl (CDPH).

214. M.T. Caproiu, N. Negoita, and A.T. Balaban, Tetrahedron Lett., 1977, 1825-1826: Aryl-nitroso-aminyloxide, aryl-tosylaminyloxide and diaryl-aminyloxide, where the aryl is 3,5-di-t-butylphenyl.

217. A.T. Balaban, N. Negoita and R. Baican, Org. Magnetic Resonance, 1987, 9, 553-554: A new stable spiropyranic aminyloxide (nitroxide).

222. A.T. Balaban, M. T. Caproiu, N. Negoita and E. Baican, Tetrahedron, 1977, 33, 2249-2253: Factors affecting stability and equilibria of free radicals. IX. Nonequivalence of aryl groups in 1,1-diaryl-2-benzenesulphonyl-hydrazyls and related compounds.

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252. M. Hillebrand and A.T. Balaban, Rev. Roum. Chim.,1980, 25, 995-1006: Unrestricted Hartree-Fock spin densities in aryl-nitroso-aminyloxides and in acyl-aryl-aminyloxides.

256. A.T. Balaban, M.T. Caproiu and N. Negoita, Rev. Roum. Chim., 1980, 25, 1327-1333: Factors affecting stability and equilibria of free radicals. X. 1-Cyano-2,2-bis-(3',5'-di-t-butylphenyl)-hydrazyl.

260. R. Hoffmann, O. Eisenstein and A.T. Balaban, Proc. Natl. Acad. Sci. USA, 1980, 77, 5588-5592: Hypothetical strain-free oligoradicals.

271. J. Herdan, G. Iordache, N. Negoita, N. Grecu and A.T. Balaban, Rev. Roum. Chim., 1982, 27, 69-73: New 2,4,6-trisubstituted phenols and their corresponding aroxyls (Synthesis and ESR spectra of aroxyls. I).

274. I. Dragutan and A.T. Balaban, Can. J. Chem., 1982, 60, 1512-1513: Synthesis of a new radical-cations with 2,2,6,6-tetramethylpiperidine-N-oxyl and pyridinium moieties.

285. M.T. Caproiu, M. Elian, N. Grecu, N. Negoita and A.T. Balaban, J. Chem. Soc. Perkin Trans. II, 1983, 591-594: Factors affecting stability and equilibria of free radicals. XI. 1-Benzoyl-2,2-bis-(3,5-di-t-butyl-phenyl)-hydrazyl and its temperature-dependent ESR spectra.

288. J. Herdan, A.T. Balaban, N. Negoita and N. Grecu, Rev. Roum. Chim., 1983, 28, 129-137: 4-Substituted 2,6-di-t-butylphenols and their corresponding aroxyls possesing 4-(1-methylene-imidazolyl), 4-(1-methylene-benzimidazolyl), or 4-(1-sulfonyl-benzimidazolyl) groups. (Synthesis of aroxyls. II).

290. A.T. Balaban, U. Bologa, M.T. Caproiu, N. Grecu, N. Negoita and R.I. Walter, Bull. Soc. Chim. Belges, 1983, 92, 617: Internal rotation in hydrazyls and in capto-dative aminyls using temperature-dependent ESR and 15N-labelling.

292. M.T. Caproiu, N. Negoita and A.T. Balaban, Tetrahedron, 1983, 39, 3943-3945: Factors affecting stability and equilibria of free radicals. XII. Capto-dative diarylaminyls with polynitrophenyl and 3,5-di-t-butyl-phenyl groups.

346. G. Stanciuc, M.T. Caproiu, A. Caragheorgheopol, H. Caldararu, A.T. Balaban and R.I. Walter, J. Magn. Reson., 1987, 75, 63-72: Factors affecting stability and equilibria of free radicals. XIII. N-Alkoxy- and N-aralkoxypicrylamines and ESR spectra of the corresponding capto-dative persistent aminyls.

347. A.T. Balaban, E.U. Würthwein and P. von R. Schleyer, Tetrahedron, 1987, 43, 405-408: Model MNDO calculations for rotamers of α-acylnitroxides and of N-nitrosonitroxides.

359. A.T. Balaban, N. Negoita, S.M. Shein and A.D. Khmelinskaya, Rev. Roum. Chim., 1987, 32, 501-508: Factors affecting stability and equilibria of free radicals. XVIII. Capto-dative (push-pull) diarylaminyls with 2,4,6-tri-(methanesulphonyl)-phenyl or 2,4,6-tri-(N,N-dimethyl-sulphonylamido)-phenyl groups.

365. U. Bologa, A.T. Balaban, N. Grecu, N. Negoita, M.T. Caproiu and R.I. Walter, J. Org. Chem., 1987, 52, 4176-4179: Factors affecting stability and equilibria of free radicals. Part.

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XIV. Unexpected spin densities in 1-(trifluoroacetyl)-2,2-diarylhydrazyl revealed by 15N labelling.

383. A.T. Balaban, U. Bologa, M.T. Caproiu, N. Grecu, N. Negoita and R.I. Walter, J. Chem. Res., (S) 1988, 274-275; J. Chem. Res., (M) 1988, 2101-2126: Factors affecting stability and equlibria of free radicals. XV. Effects of the acceptor group on spin distribution and other properties.

384. I. Dragutan, H. Caldararu, A.T. Balaban and R.J. Mehlhorn, Bull. Soc. Chim. Belg., 1988, 97, 453-455: Stable nitroxides with delocalized positive charge.

387. M. Ciureanu, J. Herdan and A.T. Balaban, Rev. Roum. Chim., 1989, 34, 739-748: Electrochemical oxidation of N-(nitro-substituted-phenyl)-4-amino-2,6-di-t-butylphenols studied by cyclic voltammetry.

391. J. Herdan, N. Negoita, N. Grecu, M.D. Gheorghiu and A.T. Balaban, Rev. Roum. Chim., 1989, 34, 1515-1521 : Synthesis and ESR spectra of persistent aroxyls. III. Dialkyl 3,5-di-t-butyl-4-hydroxy-benzylphosphonates and their corresponding aroxyls.

395. G. Stanciuc, M.T. Caproiu, H. Caldararu, A. Caragheorgheopol, T. Constantinescu and A.T. Balaban, Rev. Roum. Chim., 1989, 34, 1895-1905: Factors affecting stability and equlibria of free radicals. 16. Preparation and EPR spectra of capto-dative N-alkoxydinitrophenyl-aminyls.

396. G. Stanciuc, M.T. Caproiu, H. Caldararu, A. Caragheorgheopol, T. Constantinescu and A.T. Balaban, Z. Naturforsch., 1989, 44b, 1459-1463: Factors affecting stability and equlibria of free radicals. 17. EPR Evidence for formation of N-alkoxypicramides on oxidation of N-alkoxy-dinitroanilines. Electronic structure of aminyl radicals.

411. J. Herdan, V. Dinoiu, A. Meghea, M. D. Gheorghiu, A. Schiketanz, M. Giurginca and A.T. Balaban, Rev. Roum. Chim., 1990, 35, 407-414: Synthesis and EPR spectra of persistent aroxyls. IV. ortho, ortho'-Disubstituted phenols possesing in the para-position a 2-bonded 1,3-dicarbonylic (or a functionally related) group.

420. J.M. Herdan, V. Dinoiu, A. Meghea, A. Schiketanz, M.D. Gheorghiu and A.T. Balaban, Rev. Roum. Chim., 1990, 35, 1017-1024: Synthesis and EPR spectra of persistent aroxyls. V. Aroxyls derived from chalcone and derivatives.

447 A. Crasovschi, N. Grecu, N. Negoita, M.T. Caproiu and A.T. Balaban, Rev. Roum. Chim., 1992, 37, 1335-1340: Variable temperature ESR spectra of 1-(3,4,5-trimethoxy-benzoyl)-2,2-bis(3,5-di-tert-butylphenyl)-hydrazyl and its 1-15N-congener.

440. M.T. Caproiu, N. Negoita, N. Grecu, A. Crasovschi, U. Bologa and A.T.Balaban, Bull. Soc. Chim. Fr. 1992, 129, 270-272: Factors affecting stability and equilibrium of free radicals. XIX. Spin distribution in 1-cyano-2,2-bis(3,5-di-t-butylphenyl)hydrazyl and its 1-15N-congener.

472. U.L. Bologa, D.C. Oniciu, M. Ciureanu, F. Barsan, I. Ghiviriga and A.T. Balaban, Bull. Soc. Chim. Fr., 1993, 130, 71-76: 3,5-Di-t-butyl-nitrosobenzene as a spin trap for N-arylamidyl free radicals.

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493. D.C. Oniciu, I. Ghiviriga, U.L. Bologa, N. Negoita, M. Ciureanu, and A.T. Balaban, Rev. Roum. Chim., 1994, 39, 413-421: Factors affecting stability and equilibria of free radicals. Part XX. Capto-dative diarylaminyls with 3-5-di-t-butylphenyl donor group: oxidation of N-aryl-2,4,6-tri-carbomethoxyanilines.

498. D.C. Oniciu, I. Ghiviriga, N. Negoita, U.L. Bologa, M.N. Grecu and A.T. Balaban, Rev. Roum. Chim., 1994, 39, 527-534: Factors affecting stability and equilibria of free radicals. Part XXI. Capto-dative diarylaminyl radicals with a 2,4,6-trimethylphenyl group.

512. T.J. Sumi, G. Stanciuc, A.T. Balaban and H. Joela, Magn. Resonance in Chem., 1996, 34, 197-206: EPR and multiple electron spin resonance spectroscopic indication of para-nitration of aminyl radicals.

521. G. Stanciuc, N. Zarna, N. Spataru, T. Constantinescu, A. Caragheorgheopol, H. Caldararu, and A.T. Balaban, Rev. Roum. Chim., 1996, 41, 755-761: Factors affecting stability and equilibria of free radicals. Part XXII. Bond dissociation energy of N-alkoxypolynitroanilines.

522. N. Zarna, G. Stanciuc, T. Constantinescu, A.T. Balaban, K. Laihia and E. Kolehmainen, Rev. Roum. Chim., 1996, 41, 875-881: Hydrophobic supramolecular complexes of alkali cations with 18-crown-6 as ligand and N-methoxy-2,4,6-trinitroaniline as pair anion in a two-phase system.

527. P. Ionita, T. Constantinescu, H. Caldararu, C. Luca, M.T. Caproiu and A.T. Balaban, New J. Chem., 1997, 21, 511-515 : Reaction between the DPPH free radical and potassium cyanide in the presence of crown ether 18C6. Erratum, ibid. 1998, 22, 649.

528. T. Constantinescu, M.T. Caproiu, N. Zarna, A. Caragheorgheopol, H. Caldararu, G. Stanciuc, M. Radu, V. Badescu and A.T. Balaban, New J. Chem., 1997, 21, 575-579: Reaction of 2,2-diphenyl-1-picrylhydrazyl (DPPH) with N-alkoxy-di- and tri-nitroanilines.

532. G. Stanciuc, T. Constantinescu, M.T. Caproiu, N. Zarna, A. Caragheogheopol, H. Caldararu and A. T. Balaban, Rev. Roum. Chim., 1997, 42, 395-400: Self-nitration of N-alkoxy-dinitroanilines as result of oxidation processes.

536. A.T. Balaban, R.E. Garfield, M.J. Lesko and W.A. Seitz, Org. Prep. Proc. Internat. 1998, 30, 439-446: Synthesis and spectral data of some new N-nitroso-N-phenylhydroxylamine (cupferron) derivatives.

546. D.O. Popescu, P. Ionita, N. Zarna, I. Covaci, A. Stoica, A. Zarna, D. Nourescu, F. Spafiu, M.T. Caproiu, C. Luca, F. Badea, T. Constantinescu and A.T. Balaban, Roum. Chem. Quart. Rev. 1998, 6, 271-282: Hydrazyl and aminyl analogs, liquid membranes and stationary phases for gas-chromatography.

552. P. Ionita, T. Constantinescu, H. Caldararu, C. Luca, M.T. Caproiu, F. Dumitrascu, I. Silberg and A. T. Balaban, Rev. Roum. Chim. 1999, 44, 393-396: Reaction between the DPPH free radical and potassium cyanide in the presence of crown ether 18-C-6 : a correction.

594. I. C. Covaci, T. Constantinescu, M. T. Caproiu, H. Caldararu, P. Ionita and A. T. Balaban, Polish J. Chem. 2001, 75, 1427-1440: New congeners of 1-picryl-2-phenyl-2-(para-picramidophenyl)-diazenium betaine whose picramido groups are replaced by 4-cyano-2,6-dinitrophenyl analogs.

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601. E. N. Hristea, M. Hillebrand, M. T. Caproiu, H. Caldararu, T. Constantinescu, and A. T. Balaban, ARKIVOC 2002, (ii) 123-132: Scavenging the hydroxy radical by 2,2-diphenyl-1-picrylhydrazyl.

615. A. T. Balaban and W. Seitz, J. Chem. Educ. 2003, 80, 662-664: Relevance of chemical kinetics for medicine: The case of nitric oxide.

666. M. Tudose, P. Ionita, F. Dumitrascu, C. Draghici, M. T. Caproiu, I. C. Covaci, T. Constantinescu, M. D. Banciu, and A. T. Balaban, Arkivoc, 2005 (iv) 225-237: Synthesis and properties of dinitrobenzamido-TEMPO derivatives.

672. E. Hristea, M. T. Caproiu, G. Pencu, M. Hillebrand, T. Constantinescu and A. T. Balaban, Int. J. Mol. Sci. 2006, 7, 130-143: Reaction of 2,2-diphenyl-1-picrylhydrazyl with HO., O2

., HO–, and HOO– radicals and anions. 690. M. Tudose, P. Ionita, T. Constantinescu, and A. T. Balaban, Austral. J. Chem. 2007, 60,173-

179: Synthesis and EPR study of covalently bonded dinitrophenylamido-TEMPO on ultrafine aminopropyl-silica gel.

695. P. Ionita, F. Tuna, M. Andruh, T. Constantinescu, and A. T. Balaban, Austral. J. Chem. 2007, 60, 173-179: Synthesis and characterization of some novel homo- and hetero-diradicals of hydrazyl and nitroxide type.

700. M. Tudose, A. T. Balaban, T. Constantinescu, and P. Ionita, Appl. Surface Sci. 2008, 254, 1904-1908: Synthesis and electron paramagnetic resonance study of a nitroxide free radical covalently bonded on aminopropyl-silica gel.

719. E. N. Hristea, I. C. Covaci-Cimpeanu, G. Ionita, P. Ionita, C. Draghici, M. T. Caproiu, M. Hillebrand, T. Constantinescu, and A. T. Balaban, Eur. J. Org. Chem. 2009, 626-634: Reaction of 2,2-diphenyl-1-picrylhydrazyl (DPPH) with two syringylic phenols and one aroxide.

C.6. Boron chelates and cognate compounds

24. A.T. Balaban, G. Mihai, R. Antonescu and P.T. Frangopol, Tetrahedron, 1961, 16, 68-73: Tropophenylene and tropovinylene spiroborates. (Heterocyclic organoboron compounds I).

57. A.T. Balaban, I. Bally, R.J. Bishop, C.N. Rentea and L.E. Sutton, J. Chem. Soc. 1964, 2382-2387: Novel spiroborates and a dipole moment study of 1,3,2-dioxabora-azulene-2-spiro-2'-(1',3',2'-benzodioxaborole).(Heterocyclic organoboron compounds. II.).

67. A.T. Balaban, C.N. Rentea and M. Mocanu, Tetrahedron Lett. 1964, 2049-2054: Spiroborates. Symmetry and coordination of spiranic substituted 3-hydroxy-2-propen-1-one o-phenylene and o-vinylene borates.

68. A.T. Balaban, A. Barabas and A. Arsene, Tetrahedron Letters, 1964, 2721-2724: 1,3,2-Dioxa-borinium and 4,5-benzo-1,3,2-dioxaborinium cations, novel aromatic systems.

69. A.T. Balaban, A. Arsene, I. Bally, A. Barabas, M. Paraschiv and E. Romas, Tetrahedron Lett., 1964, 3917-3923: 1,3,2-Dioxaborinium (boroxaropyrylium) salts and their decomposition to bis-1,3-diketonatoboronium salts.

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70. A.T. Balaban C. N. Rentea, M. Mocanu-Paraschiv and E. Romas, Rev. Roum. Chim., 1965, 10, 849-864: Heterocyclic organoboron compounds. III. Symmetry and coordination of spiranic substituted 3-hydroxy-2-propen-1-one o-phenylene and o-vinylene borates.

73. A.T. Balaban, C.N. Rentea and M. Bacescu-Roman, Rev. Roum. Chim., 1965, 10, 865-877: Heterocyclic organoboron compounds. IV. Unichelated spiroborates prepared from 2-n-butoxy-1,3,2-benzodioxaborole and bidentate ligands.

74. A.T. Balaban, Rev. Roum. Chim., 1965, 10, 879-885: Heterocyclic organoboron compounds. V. Novel 1,3,2-dioxaboraazulene-2-spiro-2'-(1',3',2'-benzodioxaborole) (tropophenylenespiroborate) derivatives.

80. I. Bally, A. Arsene, M. Bacescu-Roman and A.T. Balaban, Tetrahedron Letters, 1965, 3929-3931: Reaction of beta-ketoenols with diphenylborinic esters.

92. I. Bally, A. Arsene, M. Paraschiv, E. Romas and A.T. Balaban, Rev. Roum. Chim., 1966, 11, 1409-1418: Heterocyclic organoboron compounds. VI. New boron-oxygen chelate compounds with equivalent oxygens.

95. A. Arsene, AT. Balaban, I. Bally, A. Barabas, M. Paraschiv and C.N. Rentea, Spectrochimica Acta, 1967, 23A, 1373-1383: Electronic absorption spectra of spiroborates and of 1,3,2-dioxaborinium salts.

109. A. Barabas, E. Isfan, M. Roman, M. Paraschiv, E. Romas and A.T. Balaban, Tetrahedron, 1968, 24, 1133-1144: Heterocyclic organoboron compounds. VII. Chelated bis-(1,3-diketonato)boronium salts with acetylacetone, benzoylacetone and dibenzoylmethane.

110. A. Trestianu, H. Niculescu-Majewska, I. Bally, A. Barabas and A.T. Balaban, Tetrahedron, 1968, 24, 2499-2504: Proton magnetic resonance spectra of chelated boronium and beryllium bis-(1,3-diketonates).

112. I. Bally, A. Arsene, M. Roman, M. Paraschiv, E. Romas and A.T. Balaban, Rev. Roum. Chim., 1968, 13, 1225-1233: Heterocyclic organoboron compounds. VIII. Chelate compounds formed by alkyl-substituted benzodioxaboroles or by diphenylborinic esters with tropolone or 1,3-diketones.

117. I. Bally, A. Arsene, A.T. Balaban and G.V. Boyd, Rev. Roum. Chim., 1968, 13, 1391-1393: Heterocyclic organoboron compounds. IX. Chelates of 2-aminotropone with 1,3,2-benzodioxaboroles or diphenylborinic esters.

118. I. Bally, E. Ciornei and A.T. Balaban, Rev. Roum. Chim., 1968, 13, 1507-1510: Heterocyclic organoboron compounds. X. Chelate compounds of (p-anisyl)-phenyl-boronic acid with 1,3-diketones.

133. A.T. Balaban, A. Arsene, I. Bally, A. Barabas, M. Paraschiv, M. Roman and E. Romas, Rev. Roum. Chim., 1970, 15, 635-653: Heterocyclic organoboron compounds. XII. 2,4,6-Trisubstituted-1,3,2-dioxaborinium salts.

137. A. Arsene, M. Paraschiv and A.T. Balaban, Rev. Roum. Chim.,1970, 15, 247-252: Reaction of o-phenylene arsenite with tropolone.

149. I. Bally and A.T. Balaban, Rev. Roum. Chim., 1971, 16, 739-742: Heterocyclic organoboron compounds. XIV. Boron chelates with bis-(1,3-diketones).

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169. I. Bally, E. Ciornei, A. Vasilescu and A.T. Balaban, Tetrahedron, 1973, 29, 3185-3187: Heterocyclic organoboron compounds. XVI. Chelated compounds with, α,β-unsaturated β-aminoketones.

224. A.T. Balaban, I. Bally, V.I. Minkin and A.I. Usachev, Tetrahedron, 1977, 33, 3265-3267: Dipole moments of boron chelates with tropolone and 1,3-diketone derivatives.

264. V.I. Minkin, L.P. Olekhnovich, V.P. Metlushenko, N.G. Furmanova, I. Bally and A.T. Balaban, Tetrahedron, 1981, 37, Suppl. 1, 421-427: Molecular structure and tautomerism of the 1,3,2-benzodioxaarsole ether of tropolone.

299. C. Uncuta, I. Bally, C. Draghici, F. Chiraleu and A.T. Balaban, Rev. Roum. Chim., 1984, 29, 121-129: Heterocyclic organoboron compounds. XVII. Axial chirality of boron chelates evidenced by 1H-NMR spectroscopy in the presence of chiral additives.

510. A.T. Balaban, I. Haiduc, H. Höpfl, N. Farfán and R. Santillan, Main Group Metal Chem., 1996, 19, 385-395: Spiroborates revisited. X-Ray crystal and molecular structures of boron chelate compounds with tropolone and 1,3-diketones.

707. A. T. Balaban, C. Párkányi, I. Ghiviriga, J.-J. Aaron, Z. Zajíčková, and O. R. Martínez, Arkivoc 2008 (xiii) 1-9: Curcumin–benzodioxaborole chelates.

C.7. Isotopically labeled compounds, isotope effects

36. A.T. Balaban, M. Marculescu-Frangopol and P.T. Frangopol, Isotopentechnik, 1962, 2, 235-237: Pyrylium salts obtained by diacylation of olefins. XI. Ring-14C-labelled aromatic compounds obtained via pyrylium salts (in German).

44. C. Mantescu and A.T. Balaban, Canad. J. Chem., 1963, 41, 2120-2121: Tritiation of aromatics by HTO-promoted aluminium chloride (Tritiations by HTO-promoted aluminium chloride. I.).

62. A.T. Balaban, E. Gard and C.N. Rentea, Abh. Dtsch. Akad. Wiss., Klass. Chem. Geol. u. Biol., 1964, 659-663: Isotopic exchange of methyl hydrogens in aqueous solutions of 2,4,6-trimethylpyrylium salts. (Isotopic exchange of active methyl hydrogens. I.).

64. M. Frangopol, A. Genunche, P.T. Frangopol and A.T. Balaban, Tetrahedron, 1964, 20, 1881-1888: Pyrylium salts formed by diacylation of olefins. XV. 14C-Tracer study of the acetylation of 4-chloro-3,4-dimethyl-2-pentanone.

65. D. Farcasiu, A.T. Balaban and M. Gutman, Rev. Roum. Chim., 1964, 9, 727-741: On the acetylation of 4-chloro-3,4-dimethylpentane-2-one with acetyl chloride-1-14C.

76. E. Gard, I. Bally, A. Vasilescu, A. Arsene and A.T. Balaban, J. Labelled Compds., 1965, 1, 182-188: Isotopic exchange of active methyl hydrogens. II. Deuteration of diphenylmethylpyrylium and methyltropylium salts.

77. A.T. Balaban, E. Gard, A. Vasilescu and A. Barabas, J. Labelled Compds., 1965, 1, 266-274: Isotopic exchange of active methyl hydrogens. III. Preparation of 2,4,6-tri-d3-

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methylpyrydine, 3,5-di-d3-methylphenol, 3,5-di-d3-methyl-2-acetylfuran and 4,6,8-tri-d3-methyl-azulene from 2,4,6-tri-d3-methylpyrylium perchlorate.

72. C. Mantescu, A. Genunche and A.T. Balaban, J. Labelled Compds., 1965, 1, 178-181: Tritiation of pyrimidines by HTO in the presence of aluminium chloride (Tritiations by HTO-promoted aluminium chloride. II).

79. A. Barabas, C. Mantescu, D. Duta and A.T. Balaban, Tetrahedron Letters, 1965, 3925-3928: Thermal decomposition of tritiated 2,4,6-triphenyl-5-t-1,3,2-dioxaboronium perchlorate.

89. C. Mantescu, A. Genunche and A.T. Balaban, J. Labelled Compds., 1966, 2, 261-266: Tritiation by HTO-promoted aluminium chloride. III. Uracil, adenine, glycine, di- and triglycine.

90. C. Mantescu, A. Genunche, D. Duta-Cristu and A.T. Balaban, J. Labelled Compds., 1966, 2, 267-271: Tritiation by HTO-promoted aluminium chloride. IV. Cyclohexane and n-heptane.

93. A. Barabas, E. Gard, A. Vasilescu and A.T. Balaban, J. Labelled Compds., 1966, 2, 359-366: Isotopic exchange of active methyl hydrogens. IV. Preparation of 1,3-di-d3-ethylnaphthalene,d9-mesitylene and d9-mesitylene derivatives from 2,4,6-tri-d3-methylpyrylium perchlorate.

94. E. Gard, A. Vasilescu, G.D. Mateescu and A.T. Balaban, J. Labelled Compds., 1967, 3, 196-205: Isotopic exchange of active methyl hydrogens. V. Reactivity of α- and γ-methyl groups and of β- hydrogens in pyrylium salts.

96. M. Frangopol, A. Genunche, N. Negoita, P.T. Frangopol and A.T. Balaban, Tetrahedron 1967, 23, 841-844: A study of the reversibility of Friedel-Crafts C-acetylations by means of 14C-labelling.

102. E. Gard, A. Runge, A. Barabas and A.T. Balaban, J. Labelled Compds.,1967, 3, 151-154: Isotopic exchange of hydrogen in pyrylium salts (in German).

111. I.I. Stanoiu and A.T. Balaban, Rev. Roum. Chim., 1968, 13, 127-132: Preparation and infrared absorption spectrum of d3-pyrylium perchlorate.

122. E. Gard, I. I. Stanoiu, A.T. Balaban and F. Chiraleu, Rev. Roum. Chim., 1969, 14, 247-252: Isotopic exchange of active methyl hydrogens. VI. Deuteration of 2,4.6-triphenyl-, 2,3,5,6-tetramethyl-, and 2,3,6-trimethyl-4-phenyl-pyrylium salts.

152. I.I. Stanoiu, M. Paraschiv, E. Roman and A.T. Balaban, Spectrochim. Acta, 1972, 28A 1001-1005:Vibrational spectra of pyrylium, pyrylium-2-d, pyrylium-3-d, and pyrylium-d5 cations.

168. E. Gard, F. Chiraleu, I. I. Stanoiu, and A.T. Balaban, Rev. Roum. Chim., 1973, 18, 257-251: Isotopic exchange of active methyl hydrogens. VII. Kinetic study of 2,4,6-trimethylpyrylium salts in deuterium oxide.

190. I. Bally, E. Gard, E. Ciornei, M. Biltz and A.T. Balaban, J. Labelled Compounds, 1975, 11, 63-69: Synthesis of 14C-labelled isotope-isomeric alkanes. I. n-Heptane-1-14C and -2-14C.

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191. I. Bally and A.T. Balaban, Rev. Roum. Chim., 1975, 20, 1471-1472: Synthesis of 14C-labelled isotope-isomeric alkanes. II. Preparation of 2,2,4-trimethylpentane-

14C2 labelled at

both methyl groups of the isopropyl moiety.

207. A.T. Balaban, I.I. Stanoiu and F. Chiraleu, Chem. Commun. 1976, 984-985: Steric origin of isotope effects in NMR shifts induced by lanthanide shift reagents; effect of deuteriation of methyl substituted pyridines.

209. I.I. Stanoiu, F. Chiraleu, E. Gard and A.T. Balaban, Rev. Roum. Chim., 1977, 22, 117-126: Isotopic exchange of active methyl hydrogens. VIII. Deuterium kinetic isotope effects for alpha- and gama-isopropyl-substituted pyrylium salts.

215. I.I. Stanoiu, M. Paraschiv, E. Gard and A.T. Balaban, Rev. Roum. Chim., 1977, 22, 865-867: Isotope effects in electronic absorption spectra of CH3/CD3-substituted six-membered hetero-aromatics.

218. I.I. Stanoiu, E. Gard, C. Uncuta, F. Chiraleu and A.T. Balaban, Rev. Roum. Chim., 1977, 22, 1359-1361: Isotopic exchange of active methyl hydrogens. IX. Intramolecular kinetic comparison between α-methyl and α-isopropyl groups in pyrylium salts.

220. A.T. Balaban, I.I. Stanoiu and E. Gard, Rev. Roum. Chim., 1977, 22, 1191-1193: Deuterium isotopic effect on the basicity of 2,4,6-trimethylpyridine.

221. I.I. Stanoiu, A.T. Balaban and F. Chiraleu, Rev. Roum. Chim., 1977, 22, 1499-1504: Isotopic exchange of active methyl hydrogens. X. Activation parameters for deuteration and de-deuteration of isopropylpyrylium salts.

225. A.T. Balaban. I. I. Stanoiu, and F. Chiraleu, Rev. Roum. Chim., 1978, 23, 187-196: Isotope effects in lanthanide-induced shifts of 1H-NMR spectra of selectively side-chain deuteriated pyridines.

230. A.T. Balaban, I.I. Stanoiu, F. Chiraleu and I. Motoc, Rev. Roum. Chim., 1978, 23, 143-1504: Isotopic exchange of active methyl groups. XI. Kinetics of deuteration of 2,6-diaryl-4-methylpyrylium salts.

238. I.I. Stanoiu, E. Gard, C. Uncuta, F. Chiraleu and A.T. Balaban, Rev. Roum. Chim., 1979, 24, 209-217: Isotopic exchange of active methyl hydrogens. XII. Kinetics of deuteration and de-deuteration of alpha- and gamma-ethyl groups, and relative rates for ethyl versus methyl side-chains, in pyrylium salts.

245. I. Bally, E. Gard, N. Negoita and A.T. Balaban, Rev. Roum. Chim., 1979, 24, 601-604: Synthesis of 14C-labelled isotope-isomeric alkanes. III. n-Tetradecane-1-14C, -2-14C, -7-14C.

266. A.T. Balaban, J. Labelled Comp. Radiopharm., 1981, 18, 1621-1632: Preparation of selectively side-chain deuteriated pyridines via pyrylium salts (Isotopic exchange of active methyl hydrogens. XIII).

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270. A.T. Balaban, A. Bota, D.C. Oniciu, G. Klatte, C. Roussel and J. Metzger, J. Chem. Res., 1982, (S) 44-45 : (M) 559-583 : Deuterium kinetic isotope effects in the quaternization of polymethylpyridines (CH3 or CD3) with methyl iodide or [2H3]methyl iodide.

279. A.T. Balaban, C. Uncuta and F. Chiraleu, J. Labelled Comp. Radiopharm., 1982, 19, 783-794: Regioselective deuteration kinetics of 2-, 4-, and 6-methyl groups in D2O solutions of pyrylium and N-methyl-pyridinium perchlorates possessing also 3-methyl or 3-phenyl groups. (Isotopic exchange of active methyl(ene) hydrogens. XIV).

296. A.T. Balaban, M.D. Gheorghiu and T.S. Balaban, J. Labelled Comp. Radiopharm., 1983, 20, 1097-1104: Isotopic exchange of active methyl(ene) hydrogens. XV. The aryl group controls the α/γ regioselectivity in deuterations of 2-(p-substituted benzyl)-4,6-dimethylpyrylium salts.

297. A.T. Balaban, T.S. Balaban, C. Uncuta, M.D. Gheorghiu and F. Chiraleu, J. Labelled Comp. Radiopharm., 1983, 20, 1105-1112: Isotopic exchange of active methyl(ene) hydrogens. XVI. Regioselective deuteration kinetics of 2,3,6-trimethyl-4-phenylpyrylium and 2,6-dimethyl-3,4-diphenylpyrylium salts.

310. J.M. Risley, R.I. Van Etten, C. Uncuta and A.T. Balaban, J. Amer. Chem. Soc.,1984, 106, 7836-7840: 18O-Isotope effect in 13C nuclear magnetic resonance spectroscopy, VIII. Oxygen exchange of 2,4,6-trimethylpyrylium cation.

388. M.D. Gheorghiu, A. Schiketanz, A. Necula and A.T. Balaban, Rev. Roum. Chim., 1989, 34, 1005-1008 : Carbon-13 nuclear magnetic resonance assignments of the saturated segments from 1,2,3,4-tetrahydro-phenanthrene by means of 13C and 2H labelling.

393. A.T. Balaban, M.D. Gheorghiu, A. Schiketanz, and A. Necula, J. Am. Chem. Soc., 1989, 111, 734-735: Catalytic automerization of phenanthrene.

394. A. Schiketanz, I. Pogany, M.D. Gheorghiu, A. Necula and A.T. Balaban, J. Labelled Comp. Radiopharm., 1989, 27, 971-976: Use of solvent vapour pressure to evacuate the installation in carbonations of Grignard reagents.

499. R.J. Konior, R.I. Walter, U.L. Bologa, M.T. Caproiu, N. Negoita and A.T. Balaban, Polish J. Chem., 1994, 68, 2451-2454: 14N - 15N Exchange at an aromatic nitro group during nitration with acetyl nitrate.

537. P. Ionita, M.T. Caproiu, C. Luca, T. Constantinescu, H. Caldararu and A.T. Balaban, J. Labelled Comp. Radiopharm. 1998, 41, 791-799: Selective [15N]nitration of 2,2-diphenyl-1-(2,4- or 2,6-dinitrophenyl)-hydrazines or -hydrazyls.

560. M.T. Caproiu, I.C. Covaci, P. Ionita, C. Luca, T. Constantinescu, and A.T. Balaban, J. Radioanal. Nuclear Chem. 1999, 242, 773-776: Regioselectively [15NO2]-labeled N-methoxypicramide and DPPH prepared by using crown ether and solid sodium [15N]-nitrite.

632. C.A. Simion, C. Postolache, C. Deleanu, C.M. Barna, I. Bally and A.T. Balaban, J. Labelled Comp. Radiopharm. 2004, 47, 719-722: Synthesis of N[1-13C]caproyl-N’-phenylthiourea.

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C.8. Chemical graphs

86. A.T. Balaban, Rev. Roum. Chim., 1966, 11, 1097-1116: Chemical graphs. I. Valence isomerism of cyclopolyenes (Erratum, ibid. 12, Nr. 1, 103 (1967).

88. A.T. Balaban, D. Farcasiu and R. Banica, Rev. Roum. Chim., 1966, 11, 1205-1227: Chemical graphs. II. Graphs of multiple 1,2-shifts in carbonium ions and related systems.

98. A.T. Balaban, Rev. Roum. Chim., 1967, 12, 875-898: Chemical graphs. III. Reactions with cyclic six-membered transition states (Reprinted in "Recherches sur la Philosophie des Sciences", p. 207-230, Editura Academiei Bucuresti).

103. A.T. Balaban and F. Harary, Rev. Roum. Chim., 1967, 12, 1511-1515: Chemical graphs. IV (Aromaticity. VI). Dihedral groups and monocyclic aromatic compounds.

107. A.T. Balaban and F. Harary, Tetrahedron, 1968, 24, 2505-2516: Chemical graphs. V. Enumeration and proposed nomenclature of benzenoid cata-condensed polycyclic aromatic hydrocarbons.

119. A.T. Balaban, Tetrahedron, 1969, 25, 2949-2956: Chemical graphs. VII. Proposed nomenclature of branched cata-condensed benzenoid polycyclic hydrocarbons.

132. A.T. Balaban, R.O. Davies, F. Harary, A. Hill and R. Westwick, Austral. J. Math., 1970, 11, 207-215 : Cubic identity graphs and planar graphs derived from trees.

138. A.T. Balaban, Rev. Roum. Chim., 1970, 15, 463-485: Chemical graphs. VIII. Valence isomerism and general cubic graphs.

139. A.T. Balaban, D. Farcasiu and F. Harary, J. Labelled Compounds, 1970, 6, 211-223: Chemical graphs. IX. Isotope isomerism of multiply-labelled compounds.

140. A.T. Balaban, Rev. Roum. Chim., 1970, 15, 1243-1250: Chemical graphs. X. (Aromaticity. VIII). Resonance energies of cata-condensed benzenoid polycyclic hydrocarbons.

141. A.T. Balaban, Rev. Roum. Chim., 1970, 15, 1251-1262: Chemical graphs. XI. (Aromaticity. IX). Isomerism and topology of non-branched cata-condensed polycyclic conjugated non-benzenoid hydrocarbons.

145. A.T. Balaban and F. Harary, J. Chem. Documentation, 1971, 11, 258-259: The characteristic polynomial does not uniquely determine the topology of a molecule.

150. A.T. Balaban, Tetrahedron, 1971, 27, 6115-6131: Chemical graphs. XII. Configurations of annulenes.

153. A.T. Balaban, Rev. Roum. Math. Pure Appl., 1972, 17, 3-16: Chemical graphs. XIII. Combinatorial patterns.

156. A.T. Balaban, J. Combinatorial Theory, Ser. B, 1972, 12, 1-5: A trivalent graph of girth ten.

159. A.T. Balaban, Rev. Roum. Chim., 1972, 17, 865-881: Chemical graphs. XIV. Valence isomers of [12]annulene.

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160. A.T. Balaban, Rev. Roum. Chim., 1972, 17, 883-896: Chemical graphs. XV. Degenerate Cope rearrangements of valence isomers of annulenes.

161. A.T. Balaban, Rev. Roum. Chim., 1972, 17, 1531-1543: Chemical graphs. XVII. (Aromaticity. X). cata-Condensed polycyclic hydrocarbons which fulfill the Hückel rule but lack closed electronic shells.

164. A.T. Balaban, Rev. Roum. Chim., 1973, 18, 635-653: Chemical graphs. XVIII. Graphs of degres four or less, isomers of annulenes, and nomenclature of bridged polycyclic structures.

165. A.T. Balaban, Rev. Roum. Chim., 1973, 18, 841-854: Chemical graphs. XVI. Intramolecular isomerization of octahedral complexes with six different ligands.

166. A.T. Balaban, Rev. Roum. Chim., 1973, 18, 855-862: Chemical graphs. XIX. Intramolecular isomerization of trigonal-bipyramidal structures with five different ligands.

167. A.T. Balaban, Rev. Roum. Math. Pures Appl., 1973, 18, 1033-1043: Trivalent graphs of girth nine and eleven, and relationships among cages.

181. A.T. Balaban and F. Kerek, Rev. Roum. Chim., 1974, 19, 631-647: Chemical graphs. XX. Graphs of parallel and/or subsequent substitution reactions.

182. A.T. Balaban, Rev. Roum. Chim., 1974, 19, 1185-1196: Chemical graphs. XXI. Valence isomers of benzoannulenes.

184. A.T. Balaban, Rev. Roum. Chim., 1974, 19, 1323-1342: Chemical graphs. XXII. Valence isomers of heteroannulenes or of substituted annulenes. Coisomeric cubic multigraphs.

186. A.T. Balaban, Rev. Roum. Chim., 1974, 19, 1611-1619: Chemical graphs. XXIII. General cubic graphs with one loop, and homovalenes or their derivatives. Erratum, ibid., 1978, 23, 311.

188. A. Barabas and A.T. Balaban, Rev. Roum. Chim., 1974, 19, 1927-1940: Chemical graphs. XXIV. Isomerizations and isographic transformations.

189. A.T. Balaban, Rev. Roum. Chim., 1975, 20, 227-232: Chemical graphs. 25. Isomers of the porphyrins - an exercise using Polya's counting theorem.

193. A.T. Balaban, Math. Chem. (MATCH), 1975, 1, 33-60: Some applications of graph theory.

199. R.W. Robinson, F. Harary and A.T. Balaban, Tetrahedron, 1976, 32, 355-361: The number of chiral and achiral alkanes and mono-substituted alkanes.

201. A.T. Balaban, Rev. Roum. Chim., 1976, 21, 1045-1047: Chemical graphs. XXVI. Codes for configurations of conjugated polyenes.

202. A.T. Balaban, Rev. Roum. Chim., 1976, 21,1049-1071: Chemical graphs. XXVII. Enumeration and codification of staggered conformations of alkanes.

206. A.T. Balaban, Math. Chem. (MATCH), 1976, 2, 51-61: Enumeration of catafusenes, diamondoid hydrocarbons and staggered alkane C-rotamers.

210. A.T. Balaban, Rev. Roum. Chim., 1977, 22, 45-47: Chemical graphs. XXVIII. A new topological index for catafusenes : L-transform of their three-digit codes.

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211. A.T. Balaban, E.M. Palmer and F. Harary, Rev. Roum. Chim., 1977, 22, 517-523: Chemical graphs. XXIX. Numbers of isomers with naphthalene and adamantane skeletons.

216. A.T. Balaban, Rev. Roum. Chim., 1977, 22, 243-255: Chemical graphs. XXX. Reaction graphs for degenerate rearrangements of homovalenium cations.

219. A.T. Balaban, Rev. Roum. Chim., 1977, 22, 987-1001: Chemical graphs. XXXI. Benzo-homovalenes.

226. A.T. Balaban, Noesis, 1978, 4, 15-22: Mathematical principles in chemistry

227. A.T. Balaban, Croatica Chemica Acta, 1978, 51, 35-42: Chemical graphs. XXXII. Constitutional and steric isomers of substituted cycloalkanes.

232. A.T. Balaban, Rev. Roum. Chim., 1978, 23, 733-746: Chemical graphs. XXXIII. Graphs for intramolecular rearrangements of tetragonal-pyramidal complexes.

234. A.T. Balaban and P. von R. Schleyer, Tetrahedron, 1978, 34, 3599-3609: Systematic classification and nomenclature of diamond hydrocarbons. 1. Graph-teoretical enumeration of polymantanes.

236. A.T. Balaban and V. Baciu, Math. Chem. (MATCH), 1978, 4, 131-159: Chemical graphs. XXXV. Application of Polya's theorem to catamantanes.

239. A.T. Balaban, M. Barasch and S. Marcus, Math. Chem. (MATCH), 1979, 5, 239-261: Computer program for the recognition of acyclic regular isoprenoid structures.

248. A.T. Balaban and D.H. Rouvray, Tetrahedron, 1980, 36, 1851-1855: Graph-theoretical analysis of the bonding topology in polyhedral organic cations.

249. K. Balasubramanian, J.J. Kauffman, W.S. Koski and A.T. Balaban, J. Computational Chem., 1980, 1, 149-157: Graph theoretical characterization and computer generation of certain carcinogenic benzenoid hydrocarbons and identification of bay regions.

250. A.T. Balaban, Math. Chem. (MATCH), 1980, 8, 159-192: Chemical graphs. XXXVIII. Synthon graphs.

251. A.T. Balaban, M. Barasch and S. Marcus, Math. Chem. (MATCH), 1980, 8, 215-268: Computer program for the recognition of standard isoprenoid structures.

253. A.T. Balaban, M. Barasch and S. Marcus, Math. Chem. (MATCH), 1980, 8, 193-213: Picture grammars in chemistry. Generation of acyclic isoprenoid structures.

257. V. Baciu and A.T. Balaban, Rev. Roum. Chim., 1980, 25, 1213-1220 : Chemical graphs. XXXIX. Valence isomers of monodehydro[n]annulenes.

261. D. Bonchev, A.T. Balaban and M. Randic, Internat. J. Quantum Chem., 1981, 19, 61-82: The graph center concept for polycyclic graphs. Erratum, ibid., 1982, 22, 441.

262. A.T. Balaban, Rev. Roum. Chim., 1981, 26, 407-413: Chemical graphs. XXXVII. A simple rule for classifying peri-condensed benzenoid hydrocarbons as closed-shell or open-shell (polyradicalic) systems using dualist (characteristic) graphs.

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267. M. Barasch, S. Marcus and A.T. Balaban, Math. Chem. (MATCH), 1981, 12, 25-64: Codification of acyclic isoprenoid structures using context-free grammars and push-down automata.

268. D. Bonchev and A.T. Balaban, J. Chem. Inf. Comput. Sci., 1981, 21, 223-229: Topological centric coding and nomenclature of polycyclic hydrocarbons. I. Condensed benzenoid systems (polyhexes, fusenes).

275. A.T. Balaban, Pure. Appl. Chem., 1982, 54, 1075-1096: Challenging problems involving benzenoid polycyclics and related systems.

284. A.T. Balaban and I. Tomescu, Math. Chem. (MATCH), 1983,14,155-182: Algebraic expressions for the number of Kekulé structures of isoarithmic cata-condensed polycyclic hydrocarbons.

291. M. Banciu and A.T. Balaban, Chem. Scripta, 1983, 22, 188-194: Schemes and transformations for benzo- and dibenzoderivatives of valence isomers of [10]annulene.

300. A.T. Balaban and M. Banciu, J. Chem. Educ., 1984, 61, 766-770: Schemes and transformations for valence isomers of (CH)8 and (CH)10 hydrocarbons.

302. A.T. Balaban and I. Tomescu, Croatica Chem. Acta, 1984, 57, 391-404: Chemical graphs. XL. Three relations between the Fibonacci sequence and the numbers of Kekulé structures for non-branched cata-condensed polycyclic aromatic hydrocarbons.

307. A.T. Balaban, Sigsam Bull., 1984, 18, (2), 29-30: Numerical and non-numerical methods in chemistry : present and future.

308. M. Banciu, C. Popa and A.T. Balaban, Chem. Scripta, 1984, 24, 28-37: Schemes and transformations in the (CH)2k series. Valence isomers of [12]annulene.

311. O. Mekenyan, D. Bonchev and A.T. Balaban, Chem. Phys. Lett., 1984, 109, 85-88: Hierarchically ordered extended connectivities. Reflection in the 1H-NMR chemical shifts of condensed benzenoid hydrocarbons (HOC-7).

312. O. Mekenyan, D. Bonchev and A.T. Balaban, J. Comput. Chem., 1984, 5, 629-639: Unique description of chemical structures based on hierarchically ordered extended connectivities (HOC procedures). V. New topological indices, ordering of graphs, and recognition of graph similarity.

314. A.T. Balaban and T. Tomescu, Math. Chem. (MATCH), 1985, 17, 91-120: Chemical graphs. XLI. Numbers of conjugated circuits and Kekulé structures for zigzag catafusenes and (j,k)-hexes; generalized Fibonacci numbers.

315. A.T. Balaban, J. Mol. Struct. (Theochem), 1985, 120, 117-142: Graph theory and theoretical chemistry.

319. A.T. Balaban, P. Filip and T.S. Balaban, J. Comput. Chem., 1985, 6, 316-329: Computer program for finding all possible cycles in graphs.

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322. A.T. Balaban, D. Biermann and W. Schmidt, Nouv. J. Chim., 1985, 9, 443-449: Chemical graphs. 42. Dualist graph approach for correlating Diels-Alder reactivites of polycyclic aromatic hydrocarbons.

324. A.T. Balaban, J. Chem. Inf. Comput. Sci., 1985, 25, 334-343: Applications of graph theory in chemistry.

326. D. Bonchev, O. Mekenyan and A.T. Balaban, Math. Chem. (MATCH), 1985, 18, 83-89: Unique description of chemical structures based on hierarchically ordered extended connectivities (HOC procedures). IV. Recognition of graph isomorphism and graph symmetries.

327. O. Mekenyan, A.T. Balaban and D. Bonchev , J. Magn. Reson., 1985, 63, 1-13: Unique description of chemical structures based on hierarchically ordered extended connectivities (HOC procedures, VII.) Condensed benzenoid hydrocarbons and their 1H-NMR chemical shifts).

332. A.T. Balaban, O. Mekenyan, and D. Bonchev, J. Comput. Chem., 1985, 6, 538-551: Unique description of chemical structures based on hierarchically ordered extended connectivities (HOC procedures). I. Algorithms for finding graph orbits and canonical numbering of atoms.

333. O. Mekenyan, D. Bonchev and A.T. Balaban, J. Comput. Chem., 1985, 6, 552-561: Unique description of chemical structures based on hierarchically ordered extended connectivities (HOC procedure). II. Mathematical proofs for the HOC algorithm.

334. A.T. Balaban, O. Mekenyan, and D. Bonchev , J. Comput. Chem., 1985, 6, 562-569: Unique description of chemical structures based on hierarchically ordered extended connectivities (HOC procedure). III. Topological, chemical and stereochemical coding of molecular structure.

335. N. Ralev, S. Karabunarliev, O. Mekenyan, D. Bonchev and A.T. Balaban, J. Comput. Chem., 1985, 6, 587-591: Unique description of chemical structures based on hierarchically ordered extended connectivities (HOC procedure). VIII. General principles for computer implementation.

336. A.T. Balaban, Rev. Roum. Chim., 1986, 31, 697-694: Chemical graphs. 44. Isomer enumeration for substituted saturated polyhedral valence isomers of annulenes.

337. A.T. Balaban, Rev. Roum. Chim., 1986, 31, 695-708: Chemical graphs. 45. Edge-labelled graphs as unsaturated valence isomers of annulenes ; applications of Polya's theorem.

338. A.T. Balaban, Rev. Roum. Chim., 1986, 31, 795-810: Chemical graphs. 46. Enumeration of valence isomers of adamantane using Polya's theorem.

342. A.T. Balaban, R. Vancea, I. Motoc and S. Holban, J. Chem. Inf. Comput. Sci., 1986, 26, 72-76: Chemical graphs. 43. Fortran IV program for computing the numbers of general cubic graphs on p vertices.

353. A.T. Balaban and C. Artemi, Math. Chem. (MATCH), 1987, 22, 3-32: Mathematical modeling of polymers. I. Enumeration of non-redundant (irreducible) repeating sequences in stereoregular polymers, elastomers or in binary copolymers.

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354. C. Artemi and A.T. Balaban, Math. Chem. (MATCH), 1987, 22, 33-66: Mathematical modeling of polymers. II. Irreducible sequences in n-ary copolymers.

355. A.T. Balaban, C. Artemi and I. Tomescu, Math. Chem. (MATCH), 1987, 22, 77-100: Algebraic expressions for Kekulé structure counts in non-branched regularly cata-condensed benzenoid hydrocarbons.

356. A.T. Balaban, J. Brunvoll, J. Cioslowski, B. N. Cyvin, S. J. Syvin, I. Gutman, He Wenchen, He Wenjie, J.V. Knop, M. Kovacevic, W.R. Müller, K. Szymanski, R. Tosic and N. Trinajstic, Z. Naturforsch., 1987, 42c, 863-870: Enumeration of benzenoid and coronoid hydrocarbons.

350. A.T. Balaban and C. Deleanu, Rev. Roum. Chim., 1987, 32, 271-294: Chemical graphs. 47. Valence isomers of [14]annulene.

370. A.T. Balaban and C. Artemi, Macromol. Chem., 1988, 189, 863-870: Mathematical modelling of polymers. 3. Enumeration and generation of repeating irreducible sequences in linear bi-, ter-, quater-and quinquenary copolymers and in stereoregular homopolymers.

371. A.T. Balaban, J. Brunvoll, B.N. Cyvin and S.J. Cyvin, Tetrahedron, 1988, 44, 221-228: Enumeration of branched catacondensed benzenoid hydrocarbons and their numbers of Kekulé structures.

376. A.T. Balaban, Rev. Roum. Chim., 1988, 33, 699-707: Chemical graphs. Part. 49: Open problems in the area of condensed polycyclic benzenoids: topological stereoisomers of coronoids and congeners.

379. A.T. Balaban and I. Tomescu, Discrete Appl. Math., 1988, 19, 5-16: Alternating 6-cycles in perfect matchings of graphs representing condensed benzenoid hydrocarbons. Reprinted in "Application of Graphs in Chemistry and Physics" (J. W. Kennedy and L. W. Quintas, editors), North-Holland, Amsterdam, 1988, p. 5-16.

382. A.T. Balaban, J.W. Kennedy and L.V. Quintas, J. Chem. Educ.,1988, 65, 304-313: The number of alkanes having n carbons and a longest chain of length d. An application of a theorem of Polya.

398. I. Tomescu and A.T. Balaban, Math. Chem. (MATCH), 1989, 24, 289-389: Decomposition theorems for calculating the number of Kekulé structures in coronoids fused via perinaphthyl units.

399. D. Bonchev, O. Mekenyan, and A.T. Balaban, J. Chem. Inf. Comput. Sci., 1989, 29, 91-97: Iterative procedure for the generalized graph center in polycyclic graphs.

400. A.T. Balaban, and J. Brocas, (Theochem), 1989, 185, 139-153: Modes of rearrangements and reaction graphs for XeF6.

401. A.T. Balaban, Math. Chem. (MATCH), 1989, 24, 29-38: Chemical graphs. Part 50. Symmetry and enumeraton of fibonacenes (unbranched catacondensed benzenoids isoarithmic with helicenes and zigzag catafusenes).

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402. A.T. Balaban and C. Artemi, Polycyclic Aromatic Compounds, 1990, 1, 171-189: Chemical graphs. Part. 51. Enumeration of nonbranched catafusenes according to the numbers of benzenoid rings in the catafusene and in its longest linearly condensed portion.

403. A.T. Balaban, Rev. Roum. Chim., 1989, 34, 1745-1752: Chemical graphs. Part. 52. Valence isomers of bis-homoannulenes.

404. I Alkorta, J. Elguero, I. Rozas and A.T. Balaban, J. Mol. Struct. (Theochem), 1990, 206, 67-75: Theoretical studies of azaanalogues of platonic hydrocarbons. I. Cubane and its aza-derivatives.

405. L Brunvoll, R. Tosic, M. Kovacevic, A.T. Balaban, I. Gutman and S.J. Cyvin, Rev. Roum. Chim., 1990, 35, 85-96: Enumeration of cata-condensed benzenoid hydrocarbons and their numbers of Kekulé structures.

409. C. Deleanu and A.T. Balaban, Rev. Roum. Chim., 1990, 35, 349-391: Chemical graphs. Part. 53. Benzo- and polybenzo-derivatives of valence isomers of [12]annulene.

425. A.T. Balaban, J. Brunvoll and S.J. Cyvin, Rev. Roum. Chim., 1991, 36, 145-155: Chemical graphs. Part. 54. Enumeration of unbranched cata-condensed polyhexes with equidistant linearly condensed segments.

429. S.J. Cyvin and A.T. Balaban, Struct. Chem. 1991, 2, 485-488: A note on concealed non-Kekulean polyhex systems.

443. O. Ivanciuc and A.T. Balaban, J. Math. Chem., 1992, 11, 169-177: Recurrence relationships for the computation of Kekule structures.

444. O. Ivanciuc and A.T. Balaban, J. Math. Chem., 1992, 11, 155-167: Non-isomorphic graphs with identical atomic counts of self-returning walks : isocodal graphs.

453. T. Morikawa and A.T. Balaban, Math. Chem. (MATCH), 1992, 28, 235-247: Topological formulas and upper/lower bounds in chemical polygonal graphs, particularly in benzenoid polyhexes.

455. A.T. Balaban, Pure Appl. Chem. 1993, 65, 1-9: Benzenoid catafusenes: perfect matchings, isomerization, automerization.

456. A.T. Balaban, X. Liu, S.J. Cyvin and D.J. Klein, J. Chem. Inf. Comput. Sci.,1993, 33, 429-436: Benzenoids with maximum Kekulé structure counts for given numbers of hexagons.

457. A.T. Balaban, Annals Discrete Math., 1993, 55, 109-126: Solved and unsolved problems in chemical graph theory; reprinted in "Quo Vadis, Graph Theory ?" (eds. J. Gimbel, J. W. Kennedy and L. V. Quintas), North Holland, Amsterdam, 1993.

464. A.T. Balaban, Math. Chem. (MATCH), 1993, 29, 3-17 : Confessions and reflections of a graph-theoretical chemist.

473. D. Bonchev and A.T. Balaban, J. Math. Chem., 1993, 14, 287-304: Central vertices versus central rings in polycyclic systems.

484. D. Bonchev, A.T. Balaban, X. Liu and D.J. Klein, Int. J. Quantum Chem., 1994, 50, 1-20: Molecular cyclicity and centricity of polycyclic graphs. Part 1. Cyclicity based on resistance distances and reciprocal distances.

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514. O. Ivanciuc and A.T. Balaban, Croat. Chim. Acta, 1996, 69, 63-74: The characterization of chemical structures by the atomic counts of self-returning walks: on the construction of isocodal graphs.

524. A.T. Balaban, T. Zivkovic, D.J. Klein and T.G. Schmalz, Theochem, 1997, 389, 265-277: Reaction graphs for rearrangements of pentagonal-bipyramidal complexes.

525. A.T. Balaban, J. Chem. Inf. Comput. Sci., 1997, 37, 645-650: From chemical topology to 3D geometry.

543. R. M. Nemba and A. T. Balaban, J. Chem. Inf. Comput. Sci., 1998, 38, 1145-1150: Algorithm for the direct enumeration of chiral and achiral skeletons of a homosubstituted derivative of a monocyclic cycloalkane with a large and factorizable ring size n.

592. A. T. Balaban and C. Rücker, J. Chem. Inf. Comput. Sci. 2001, 41, 1145-1149: Using protochirons for three-dimensional coding of certain chemical structures.

626. M. Randic and A.T. Balaban, Polycyclic Arom. Comp., 2004, 24, 173-193: Partitioning of π -electrons in rings of polycyclic conjugated hydrocarbons. Part 1. Catacondensed benzenoids.

627. A.T. Balaban and M. Randic, J. Chem. Inf. Comput. Sci. 2004, 44, 50-59: Partitioning of π -electrons in rings of polycyclic benzenoid hydrocarbons. Part 2. Catacondensed coronoids.

628. A.T. Balaban and M. Randic, New J. Chem. 2004, 28, 800-806: Partitioning of π-electrons in rings of polycyclic conjugated hydrocarbons. Part 3. Perifusenes.

629. D. Vukicevic, M. Randic and A.T. Balaban, J. Math. Chem. 2004, 36, 271-279. Partitioning of π-electrons in rings of polycyclic conjugated hydrocarbons. Part 4. Benzenoids with more than one geometric Kekule structure corresponding to the same algebraic Kekule structure.

630. A. T. Balaban and M. Randic, J. Chem. Inf. Comput. Sci. 2004, 44, 1701-1707: Partitioning of π-electrons in rings of polycyclic conjugated hydrocarbons. Part 5. Nonalternant compounds.

649. A. T. Balaban, Fundamenta Informaticae 2005, 64, 1-16: Mathematical chemistry: (3,g)-cages with girth g, topological indices, and other graph-theoretical problems.

651. I. Gutman, A.T. Balaban, M. Randic, and C. Kiss-Tóth, Z. Naturforsch. 2005, 60a, 171-176: Partitioning of π-electrons in rings of fibonacenes.

652. A.T. Balaban and D.Bonchev, MATCH, Commun. Math. Comput. Chem. 2005, 54, 137-152: Complexity, sphericity, and ordering of regular and semiregular polyhedra.

653. A.T. Balaban and M. Randic, J. Math. Chem. 2005, 37, 443-453: Partitioning of p-electrons in rings of polycyclic conjugated hydrocarbons. Part 6. Comparison with other methods for estimating the local aromaticity of rings in polycyclic benzenoids.

658. I. Gutman, M. Randic, A. T. Balaban, B. Furtula, and V. Vuckovic, π-Electron contents of rings in the double-hexagonal chain homologous series (pyrene, anthanthrene and other acenoacenes), Polycyclic Arom. Comp. 2005, 25, 215-226.

669. I. Gutman, B. Furtula, and A.T. Balaban, Polycyclic Aromatic Compounds, 2006, 26, 17-35: Algorithm for simultaneous calculation of Kekulé and Clar structure counts, and Clar number of benzenoid molecules.

670. M. Randic and A.T. Balaban, J. Chem. Inf. Model. 2006, 46, 57-64: Partitioning of π-electrons in rings for Clar structures of benzenoid hydrocarbons.

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675. A. T. Balaban and T. Schmalz, J. Chem. Inf. Model. 2006, 46, 1563-1579: Sextet-resonant benzenoids and their anti-sextet dualists.

675. A. T. Balaban and T. Schmalz, J. Chem. Inf. Model. 2006, 46, 1563-1579: Sextet-resonant benzenoids and their anti-sextet dualists.

683. J. Singh, S. Singh, S. Meer, V. K. Agrawal, P. V. Khadikar, and A. T. Balaban, Arkivoc 2006 (xv) 104-109: QSPR Correlations of half-wave reduction potentials of cata-condensed benzenoid hydrocarbons.

689. A. T. Balaban, B. Furtula, I. Gutman, and R. Kovacevic, Polycyclic Arom. Comp. 2007, 27, 51-63: Partitioning of π-electrons in rings of aza-derivatives of polycyclic benzenoid hydrocarbons.

697. A.T. Balaban and M.Randić, J. Universal Comput. Sci. 2007, 13, 1514-1539: Perfect matchings in polyhexes, or recent graph-theoretical contributions to benzenoids.

698. A. T. Balaban, M. Randic, and D. Vukicevic, J. Math. Chem. 2008. 43, 773-779: Partition of π-electrons between faces of polyhedral carbon aggregates.

699. A. T. Balaban, I. Gutman, and S. Stanković, Polycyclic Arom. Comp., 2008, 28, 85-97: Effect of heteroatoms on partitioning of π-electrons in rings of catafusenes.

701. M. Randic and A.T. Balaban, Internat. J. Quantum Chem. 2008, 108, 865-897: Ring signatures for benzenoids with up to seven rings. Part 1. Catacondensed systems.Erratum, ibid. 2011, 111, 3252.

702. A. T. Balaban and M. Randić, Internat. J. Quantum Chem. 2008, 108, 898-926: Ring signatures for benzenoids with up to seven rings. Part 2. Pericondensed systems. Erratum, ibid. 2011, 111, 3252-3253.

705. A.T. Balaban and M.Randić, New J. Chem. 2008, 32, 1071-1078: Correlations between various ways of accounting for the distribution of π-electrons in benzenoids.

geometrical construction of the latter.

708. A. T. Balaban, K. B. Chilakamarri, and D. J. Klein, J. Math. Chem. 2009, 45, 725-747: Protochirons and protohelices.

710. A. T. Balaban, M. Pompe, and M. Randić, J. Phys. Chem. A, 2008, 112, 4148-4157: π-Electron partitions, signatures, and Clar structures of selected benzenoid hydrocarbons.

711. M. Pompe, M. Randić, and A. T. Balaban, J. Phys. Chem. A. 2008, 112, 11769-11776: A new yardstick for benzenoid polycyclic aromatic hydrocarbons.

714. D. Vukičević and A. T. Balaban, Note on ordering and complexity of Platonic and Archimedean polyhedra based on solid angles, J. Math. Chem. 2008, 44, 725-730.

720. I. Gutman, J. Đurđević, and A. T. Balaban, Polycyclic Arom. Comp. 2009, 29, 3-11: A regularity for cyclic conjugation in acenaphthylene, fluoranthene and their congeners.

721. A. T. Balaban, J. Đurđević, and I. Gutman, Comments on π-electron conjugation in the five-membered ring of benzo-derivatives of corannulene, Polycyclic Arom. Comp. 2009, 29, 185-208.

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723. J. Durdević, I. Gutman, J. Terzić, and A. T. Balaban, Polycyclic Arom. Comp. 2009, 29, 90-102: Cyclic conjugation in fluoranthene and its benzo-derivatives. Part 1. Catacondensed systems.

730. A. T. Balaban, J. Math. Chem. 2010, 47, 1177-1183: Nonconvex polyhedra by repeated truncation of semiregular polyhedra.

732. A. T. Balaban, J. Đurđević, I. Gutman, S. Jeremić, S. Radenković, J. Phys. Chem. A, 2010, 114, 5870-5877: Correlations between local aromaticity indices of bipartite conjugated hydrocarbons.

733. A. T. Balaban, D. E. Bean, and P. W. Fowler, Acta Chem. Slov. 2010, 57, 507-512: Patterns of ring current in coronene isomers.

741. A. T. Balaban, S. Aziz, A. D. Manikpuri, and P. V. Khadikar, J. Indian Chem. Soc. 2011, 88, 1-11: Simple correlations for the π-electron energy and other properties of cata-condensed benzenoids.

742. A. T. Balaban, I. Gutman, S. Jeremić, and J. Ðurdević, Monatsh. Chem. 2011, 142, 53–57: Effect of benzo-annelation on cyclic conjugation.

744. A. T. Balaban, MATCH, Commun. Math. Comput. Chem. 2011, 66, 139-162: On protochirons and known or predicted helical structures.

746. I. Gutman, B. Furtula, and A. T. Balaban, J. Serb. Chem. Soc. 2011, 76, 733-741: Effect of benzocyclobutadieno-annelation on cyclic conjugation in fluoranthene congeners.

748. I. Gutman and A. T. Balaban, J. Serb. Chem. Soc. 2011, 76, 1505-1511: A simple mathematical model for the effect of benzo-annelation on cyclic conjugation.

749. A. T. Balaban, I. Gutman, S. Jeremić, and J. Đurđević, Monatsh. Chem.2011, 142, 53-57: Effect of benzo-annelation on cyclic conjugation.

749b. A. T. Balaban, I. Gutman, S. Marković, and D. Simijonović, Monatsh. Chem.2011, 142, 797-800: Local aromaticity in benzo- and benzocyclobutadieno-annelated anthracenes.

750. A. T. Balaban, I. Gutman, S. Marković, D. Simijonović, and J. Đurđević, Polycyclic Arom. Comp. 2011, 31, 339-349: Local aromaticity in benzo- and benzocyclobutadieno-annelated phenanthrenes.

762. T. Pisanski and A. T. Balaban, J. Math. Chem. 2012, 50, 893-903: Flag graphs and their applications in mathematical chemistry for benzenoids.

C.9. Topological indices, QSAR, QSPR

240. A.T. Balaban, Theor. Chim. Acta, 1979, 53, 355-375: Chemical graphs. XXXIV. Five new topological indices for the branching of tree-like graphs.

242. A.T. Balaban and I. Motoc, Math. Chem. (MATCH), 1979, 5, 197-218: Chemical Graphs. XXXVI. Correlations between octane numbers and topological indices of alkanes.

247. D. Bonchev, A.T. Balaban and O. Mekenyan, J. Chem. Inf. Comput. Sci., 1980, 20, 106-113: Generalization of the graph centre concept and derived topological centric indices.

263. I. Motoc and A.T. Balaban, Rev. Roum. Chim., 1981, 26, 593-600: Topological indices: intercorrelations, physical meaning, correlational ability.

278. A.T. Balaban, Chem. Phys. Lett., 1982, 80, 399-404: Highly discriminating distance-based topological index.

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281. I. Motoc and A.T. Balaban, Rev. Roum. Chim., 1982, 27, 735-739: Testing the geometrical meaning of Taft-type steric constants.

283. I. Motoc, A.T. Balaban, O. Mekenyan and D. Bonchev, Math. Chem. (MATCH), 1982, 13, 369-404: Topological indices : inter-relations and composition.

286. A.T. Balaban, Pure Appl. Chem., 1983, 55, 199-206: Topological indices based on topological distances in molecular graphs.

293. A.T. Balaban and L.V. Quintas, Math. Chem. (MATCH), 1983, 14, 213-233: The smallest graphs, trees, and 4-trees, with degenerate topological index J.

304. A.T. Balaban and P. Filip, Math. Chem.,( MATCH), 1984, 16, 163-190: Computer program for topological index J (average distance sum connectivity).

316. A.T. Balaban, N. Ionescu-Pallas and T.S. Balaban, Math. Chem. (MATCH), 1985, 17, 121-146: Asymptotic values of topological indices J and J' (average distance sum connectivities) for infinite acyclic and cyclic graphs.

321. Z. Simon, A.T. Balaban, D. Ciubotariu and T.S. Balaban, Rev. Roum. Chim., 1985, 30, 985-1000: QSAR for carcinogenesis by polycyclic aromatic hydrocarbons and derivatives in terms of delocalization energy, minimal steric differences and topological indices.

344. A.T. Balaban, Math. Chem. (MATCH), 1986, 21, 115-122: Chemical graphs. 48. Topological index J for heteroatom-containing molecules taking into account periodicities of element properties.

348. A.T. Balaban, I. Niculescu-Duvaz and Z. Simon, Acta Pharm. Jugosl., 1987, 37, 7-36: Topological aspects in QSAR for biologically active molecules.

352. P.A. Filip, T.S. Balaban and A.T. Balaban, J. Math. Chem., 1987, 1, 61-83: A new approach for devising local graph invariants : derived topological indices with low degeneracy and good correlation ability

375. A.T. Balaban, J. Mol. Struct. (Theochem), 1988, 165, 243-253: Topological indices and their uses: a new approach for coding of alkanes.

380. O. Mekenyan, D.Bonchev and A.T. Balaban, J. Math. Chem., 1988, 2, 347-375: Topological indices for molecular fragments and new graph invariants.

415. A.T. Balaban, D. Ciubotariu and O. Ivanciuc, Math. Chem. (MATCH), 1990, 25, 41-70: Design of topological indices. Part 2. Distance measure connectivity indices.

418. A.T. Balaban, C. Catana, M. Dawson and I. Niculescu-Duvaz, Rev. Roum. Chim., 1990, 35, 997-1003: Applications of weighted topological index J for QSAR carcinogenesis inhibitors (retinoic acid derivatives).

421. A.T. Balaban and V. Feroiu, Reports Molec. Theory, 1990, 1, 133-9: Correlation between structure and critical data or vapor pressures of alkanes by means of topological indices.

422. A.T. Balaban and T.S. Balaban, J. Math. Chem. 1991, 8, 383-397: New vertex invariants and topological indices of chemical graphs based on information on distances.

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423. M.V. Diudea, O. Minailiuc and A.T. Balaban, J. Comput. Chem. 1991, 12, 527-535: Molecular topology. IV. Regressive vertex degrees (new graph invariants) and derived topological indices.

427. A.T. Balaban, D. Ciubotariu and M. Medeleanu, J. Chem. Inf. Comput. Sci., 1991, 31, 517-523: Topological indices and real vertex invariants based on eigenvalues or eigenvectors.

434. A.T. Balaban and T.S. Balaban, J. chim. phys. 1992, 89, 1735-1745: Correlations using topological indices based on real graph invariants.

436. A.T. Balaban, J. Chem. Inf. Comput. Sci., 1992, 32, 23-28: Using real numbers as vertex invariants for third-generation topological indexes.

437. A.T. Balaban, N. Joshi, L.B. Kier and L. H.Hall, J. Chem. Inf. Comput. Sci. 1992, 32, 233-237: Correlations between chemical structure and normal boiling points of halogenated alkanes C1-C4.

438. A.T. Balaban, L.B. Kier and N. Joshi, J. Chem. Inf. Comput. Sci., 1992, 32, 237-244: Correlation between chemical structure and normal boiling points of acyclic ethers, peroxides, acetals,and their sulfur analogues.

449. A.T. Balaban, L.B. Kier and N. Joshi, Math. Chem. (MATCH), 1992, 28,13-27: Structure-property analysis of octane numbers for hydrocarbons (alkanes, cycloalkanes, alkenes).

450. O. Ivanciuc, T.S. Balaban, P. Filip and A.T. Balaban, Math. Chem. (MATCH), 1992, 28, 151-164: Design of topological indices. Part 7. Analytical formulae for local vertex invariants of linear and monocyclic molecular graphs.

458. A.T. Balaban and M. V. Diudea, J. Chem. Inf. Comput. Sci., 1993, 33, 421-428: Real number vertex invariants: regressive distance sums and related topological indices.

459. D. Bonchev, C.F. Mountain, W.A. Seitz and A.T Balaban, J. Med. Chem. 1993, 36, 1562-1569: Modeling the anticancer action of some retinoid compounds by making use of the OASIS method.

460. A.T. Balaban, D. Bonchev and W.A. Seitz, J. Molec. Struct. (Theochem), 1993, 280, 253-260: Topological chemical distances and graph centers in molecular graphs with multiple bonds.

461. O. Ivanciuc, T.S. Balaban and A.T. Balaban, J. Math. Chem. 1993, 12, 309-318: Design of topological indices. Part 4. Reciprocal distance matrix, related local vertex invariants and topological indices.

465. O. Ivanciuc, T.S. Balaban and A.T. Balaban, J. Math. Chem., 1993, 14, 21-33: Chemical graphs with degenerate topological indices based on information on distances.

470. A.T. Balaban and C. Catana, J. Comput. Chem., 1993, 14, 155-160: Search for nondegenerate real vertex invariants and derived topological indexes.

475. A.T. Balaban, Croat. Chim. Acta, 1993, 66, 447-458: Lowering the intra- and intermolecular degeneracy of topological invariants.

481. A.T. Balaban, J. Chem. Inf. Comput. Sci., 1994, 34, 398-402: Local vs. global (i.e. atomic vs. molecular) numerical modeling of molecular graphs.

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478. A.T. Balaban and C. Catana, SAR and QSAR in Environm. Research, 1994, 2, 1-16: New topological indices for substituents (molecular fragments).

483. A.T. Balaban, S. Bertelsen and S.C. Basak, Math. Chem. (MATCH), 1994, 30, 55-72: New centric topological indexes for acyclic molecules (trees) and substitents (rooted trees), and coding of rooted trees.

485. A.T. Balaban, S.C. Basak, T. Colburn and G.D. Grunwald, J. Chem. Inf. Comput. Sci., 1994, 34, 1118-1121: Correlation between structure and normal boiling points of haloalkanes C1−C4 using neural networks.

488. D. Bonchev, W.A. Seitz, C.F. Mountain and A.T. Balaban, J. Med. Chem., 1994, 37, 2300-2307: Modeling the anticarcinogenic action of retinoids by making use of the OASIS method. 3. Inhibition of the induction of ornithine decarboxylase by arotinoids.

490. A.T. Balaban, Rev. Roum. Chim., 1994, 39, 245-257: Real-number local (atomic) invariants and global (molecular) topological indices.

491. O. Ivanciuc and A.T. Balaban, J. Math. Chem. (MATCH), 1994, 30, 117-139: Design of topological indices. Part 5. Precision and error in computing graph theoretic invariants for molecules containing heteroatoms and multiple bonds.

494. O. Ivanciuc and A.T. Balaban, Math. Chem., 1994, 30, 141-152: Design of topological indices. Part 8. Path matrices and derived molecular graph invariants.

503. A.T. Balaban, SAR & QSAR in Environ. Res. 1995, 3, 81-95: Local (atomic) and global (molecular) graph-theoretical descriptors.

511. O. Ivanciuc and A.T. Balaban, Croat. Chim. Acta, 1996, 69, 9-16: Design of topological indices. Part 3. New identification numbers for chemical structures: MINID and MINSID.

513. O. Ivanciuc and A.T. Balaban, Croat. Chim. Acta, 1996, 69, 75-83: Design of topological indices. Part 6. A new topological parameter for the steric effect of alkyl substituents.

535. A.T. Balaban, SAR QSAR Environ. Res. 1998, 8, 1-21: Topological and stereochemical molecular descriptors for databases useful in QSAR, similarity/dissimilarity and drug design.

540. O. Ivanciuc, T. Ivanciuc and A.T. Balaban, Tetrahedron, 1998, 54, 9129-9142: Quantitative structure-property relationship study of normal boiling points for halogen-/oxygen-/sulfur-containing organic compounds using the CODESSA program.

542. M. Medeleanu and A. T. Balaban, J. Chem. Inf. Comput. Sci., 1998, 38, 1038-1047: Real-number vertex invariants and Schultz-type indices based on eigenvectors of adjacency and distance matrices.

545. O. Ivanciuc, T. Ivanciuc and A.T. Balaban, J. Chem. Inf. Comput. Sci., 1998, 38, 395-401: Design of topological indices. Part 10. Parameters based on electronegativity and covalent radius for the computation of molecular graph decsriptors for heteroatom-containing molecules.

553. A.T. Balaban, S.C. Basak and D. Mills, J. Chem. Inf. Comput. Sci., 1999, 39, 769-774: Normal boiling points of 1, ω-alkanedinitriles: the highest increment in a homologous series.

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557. O. Ivanciuc and A.T. Balaban, Rev. Roum. Chim. 1999, 44, 479-489: Design of topological indices. Part 20. Molecular structure descriptors computed with information on distance operators.

562. A.T. Balaban, D. Mills, and S.C. Basak, J. Chem. Inf. Comput. Sci., 1999, 39, 758-764: Correlation between structure and normal boiling points of acyclic carbonyl compounds.

563. O. Ivanciuc and A.T. Balaban, Rev. Roum. Chim. 1999, 44, 539-547: Design of topological indices. Part 21. Molecular graph operators for the computation of geometric structural descriptors.

571. O. Ivanciuc, T. Ivanciuc, D. Cabrol-Bass, and A.T. Balaban, J. Chem. Inf. Comput. Sci, 2000, 40, 732-743: Comparison of weighting schemes for molecular graph descriptors. Application in quantitative structure-retention relationship models for alkylphenols in gas-liquid chromatography.

573. O. Ivanciuc, T. Ivanciuc, and A.T. Balaban, Acta Chem. Hung., Models Chem. 2000, 137, 57-82: The complementary distance matrix, a new molecular graph descriptor.

579. O. Ivanciuc, T. Ivanciuc, D. Cabrol-Bass, and A.T. Balaban, J. Chem. Inf. Comput. Sci, 2000, 40, 631-643: Evaluation in quantitative structure-property relationship models of structural descriptors derived from information-theory operators.

585. O. Ivanciuc, T. Ivanciuc, D. J. Klein, W. A. Seitz, and A.T. Balaban, SAR QSAR Environ. Res., 2001, 11, 419-452: Quantitative structure-retention relationships for gas chromatographic retention indices of alkylbenzenes with molecular graph descriptors.

586. T.S. Balaban, A.T. Balaban, and D. Bonchev, J. Mol. Struct. (Theochem), 2001, 535, 81-92: A topological approach to predicting properties of infinite polymers. Part VI. Rational formulas for the normalized Wiener index and a comparison with index J.

587. O. Ivanciuc, T. Ivanciuc, D.J. Klein, W. Seitz, and A.T. Balaban, J. Chem. Inf. Comput. Sci. 2001, 41, 536-549: Wiener index extension by counting even/odd graph distances.

588. S.C. Basak, D. Mills, A.T. Balaban, and B.D. Gute, J. Chem. Inf. Comput. Sci. 2001, 41, 671-678: Prediction of mutagenicity of aromatic and heteroaromatic amines from structure: a hierarchical QSAR approach.

589. M. Randic, A. T. Balaban and S. C. Basak, J. Chem. Inf. Comput. Sci. 2001, 41, 593-601: On structural interpretation of several distance related topological indices.

603. O. Ivanciuc, T. Ivanciuc, and A.T. Balaban, Internet Electron J. Mol. Des. 2002, 1, 252-268: Quantitative structure-property relationships for the normal boiling temperatures of acyclic carbonyl compounds.

605. O. Ivanciuc, T. Ivanciuc, and A.T. Balaban, Internet Electron J. Mol. Des. 2002, 1, 467-487: Quantitative structure-property relationship evaluation of structural descriptors derived from the distance and reverse Wiener matrices.

607. O. Ivanciuc, T. Ivanciuc, and A.T. Balaban, Internet Electron J. Mol. Des. 2002, 1, 559-571: QSAR models for the dermal penetration of polycyclic aromatic hydrocarbons.

633. A. Beteringhe and A.T. Balaban, ARKIVOC, 2004, (i) 163-182: QSAR for toxicities of polychlorodibenzofurans, polychlorodibenzo-1,4-dioxins, and polychlorobiphenyls.

637. S. C. Basak, B. D. Gute, and A. T. Balaban, Croat. Chem. Acta, 2004, 77, 331-344: Interrelationship of major topological indices evidenced by clustering.

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642. M. Pompe, M. Veber, A. T. Balaban and M. Randic, Molecules, 2004, 9,1160-1176: Use of variable and fixed topological indices for the prediction of rate constants for reactions of selected organic compounds with OH. radicals.

654. D.Vukicevic and A. T. Balaban, Internet Electron. J. Mol. Des. 2005, 4, 491-500: On the degeneracy of the topological index J.

659. A. T. Balaban, Can topological indices transmit information on properties but not on structures? J. Comp.-Aided Mol. Design, 2005, 19, 651-660.

668. A.T. Balaban, P.V. Khadikar, C.T. Supuran, A. Thakur, and M. Thakur, Bioorg. Med. Chem. Lett. 2005, 15, 3966-3973: Study on supramolecular complexing ability vis-à-vis estimation of pKa of substituted sulfonamides: dominating role of Balaban index (J).

678. A.T. Balaban, D. Mills, V. Kodali, and S.C. Basak, SAR QSAR Environ. Res. 2006, 17, 429-450: Complexity of chemical graphs in terms of size, branching, and cyclicity.

688. A. T. Balaban, A. Beteringhe, T. Constantinescu, P. A. Filip and O. Ivanciuc, J. Chem. Inf. Model. 2007, 47, 716-731: Four new topological indices based on the molecular path code

691. A. T. Balaban and M. Pompe, J. Phys. Chem. A, 2007, 111, 2448-2454: QSPR for physical properties of cata-condensed benzenoids using two simple dualist-based descriptors. Erratum, ibid. 4871.

696. A.T. Balaban, D.J. Klein, J.E. Dahl, and R.M.K. Carlson, The Open Org. Chem. J., 2007, 1, 13-31: Molecular descriptors for natural diamondoid hydrocarbons and quantitative structure-property relationships for their chromatographic data.

716. D. Vukicevic, A. Beteringhe, T. Constantinescu, M. Pompe, and A. T. Balaban, Chem. Phys. Lett. 2008, 464, 155-159: Statistical investigation of new topological indices based on the molecular path code.

728. A. Ciesielski, T. M. Krygowski, M. K. Cyranski, M. A. Dobrowolski, and A. T. Balaban, J. Chem. Inf. Model. 2009, 49, 369-372: Are thermodynamic and kinetic stabilities correlated? A topological index of reactivity toward electrophiles used as a criterion of aromaticity of polycyclic aromatic hydrocarbons.

C.10. Carbon allotropes

108. A.T. Balaban, C.C. Rentea and E. Ciupitu, Rev. Roum. Chim., 1968, 13, 231-247: Chemical graphs. VI. Estimation of the relative stability of several planar and tridimensional lattices for elementary carbon (Erratum, ibid., p. 1233).

366. K.M. Merz Jr., R. Hoffmann and A.T. Balaban, J. Amer. Chem. Soc., 1987, 109, 6742-6751: 3,4-Connected carbon nets : through-space and through-bond interactions in the solid state.

397. A.T. Balaban, Computers Math .Applic., 1989, 17, 397-416: Carbon and its nets. Reprinted in "Symmetry II" (ed. I. Hargittai, Pergamon Press, Oxford, 1989, pp. 397-416).

454. A.T. Balaban, Chem. Brit., Letters to editor, 1992, 28, 1090: Borazaro-fullerenes.

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466. D.J. Klein, T.P. Zivkovic and A.T. Balaban, Math. Chem. (MATCH), 1993, 29, 107-130: The fractal family of coro(n)enes.

486. A.T. Balaban, D.J. Klein and C.A. Folden, Chem. Phys. Lett. 1994, 217, 266-270: Diamond-graphite hybrids.

492. H. Zhu, A.T. Balaban, D.J. Klein and T.P. Zivkovic, J. Chem. Phys., 1994, 101, 5281-5292: Conjugated-circuit computation on two-dimensional carbon networks.

495. A.T. Balaban, D.J. Klein and X. Liu, Carbon, 1994, 32, 357-359: Graphitic cones.

501. A.T. Balaban, D. Babic and D.J. Klein, J. Chem. Educ., 1995, 72, 693-698: W.R. Hamilton, his genius, his circuits, and IUPAC nomenclature for fulleranes.

502. A.T. Balaban, H. Zhu and D.J. Klein, Fullerene Sci. Technol. 1995, 3, 133-150: Fullero-polycoronands.

504. D. Babic, A.T. Balaban and D.J. Klein, J. Chem. Inf. Comput. Sci. 1995, 35, 515-526: Nomenclature and coding of fullerenes.

507. A.T. Balaban, X. Liu, D. J. Klein, D. Babic, T.G. Schmalz, W.A. Seitz and M. Randic, J. Chem. Inf. Comput. Sci. 1995, 35, 396-404 : Graph invariants for fullerenes. Erratum, ibid. 1997, 37, 630.

509. A.T. Balaban, W.A. Seitz, and D.J. Klein : Bull. Soc. Chim. Belges, 1995, 104, 525-530: Reversed “inverse superatoms” (double fullerene-type systems).

515. A.T. Balaban, Math. Chem. (MATCH) 1996, 33, 25-33: Substitution by heteroatoms versus fullerenic capping as remedies for dangling bonds in graphitic tubules.

516. A.T. Balaban, W.A. Seitz, and D.J. Klein, Fullerene Sci. & Technol. 1996, 4, 467-476: Covalently-bonded “onion-type” double fullerenic carbon cages.

517. A.T. Balaban, T.G. Schmalz, H. Zhu and D.J. Klein, Theochem, 1996, 363, 291-301: Generalizations of the Stone-Wales rearrangement for cage compounds, including fullerenes.

519. A.T. Balaban, Bull. Soc. Chim. Belges, 1996, 105, 383-389: Theoretical examination of electrically-charged buckytubes.

520. A.T. Balaban, D.J. Klein and W.A. Seitz, Internat. J. Quantum Chem., 1996, 60, 1065-1068: Holes in diamond or carbon nitride lattices.

526. A.T. Balaban and D.J. Klein, Carbon, 1997, 35, 247-251: Local interconversions between graphite and diamond structures.

534. A.T. Balaban, O. Ivanciuc and D. Babic, Fuller. Sci. Technol. 1997, 5, 1479-1506: Correlation between energies of proper fullerenes and their topological invariants. Part 1. Fullerenes with abutting pentagons

554. O. Ivanciuc, D. Babic and A.T. Balaban, Fuller. Sci. Technol. 1999, 7, 1-15: Correlation between strain energies of proper fullerenes and their topological invariants. Part II. Fullerenes with isolated pentagons.

564. A.T. Balaban, D.J. Klein and W.A. Seitz, Fuller. Sci. Technol. 2000, 8, 249-265: Large “pillow” fullerenes as graphite without dangling bonds.

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611. A.T. Balaban, Polycyclic Aromatic Comp. 2003, 23, 277-296: Theoretical examination of new forms of carbon formed by intra- or intermolecular dehydrogenation of polycyclic aromatic hydrocarbons.

644. A.T. Balaban, D. J. Klein and O. Ivanciuc, Fullerenes, Nanotubes and Carbon Nanostructures, 2005, 13, 109-129: Large “pillow” fullerenes hydrogenated at the inter-sheet “seam”. Erratum, ibid. 2005,13, 277.

671. D.J. Klein and A.T. Balaban, J. Chem. Inf. Modeling. 2006, 46, 307-320: The eight classes of positive-curvature graphitic nanocones.

725. A. T. Balaban and D. J. Klein, J. Phys. Chem. C, 2009, 113, 19123-19133: Claromatic carbon nano-structures.

771. A. T. Balaban, J. Chem. Inf. Model. 2012, 52, 2856-2869. Partitioned-formula tables for diamond hydrocarbons (diamondoids).

772. A. T. Balaban, J. Math. Chem. (in press): Diamond hydrocarbons revisited. Partitioned formula tables of diamondoids

775. A. T. Balaban, Chem. Phys. Lett. (in press): Bond-switch defects in carbon allotropes: Stone-Wales and connected exchange.

C.11 Miscellanea

282. P. von R. Schleyer, A.J. Kos, J.A. Pople and A.T. Balaban, J. Amer. Chem. Soc., 1982, 104, 3771-3773: Carbenium-carbonium structure H2C+-CH4+, for the ethane dication.

345. A.T. Balaban, Comput. and Maths. with Applic., 1986, 12B, 999-1020: Symmetry in chemical structures and reactions. Reprinted in: "Symmetry Unifying Human Understanding", ed. I. Hargittai, Pergamon Press, New York, 1986, p.999-1020.

392. A.T. Balaban, G.R. De Maré and R.A. Poirier, J. Mol. Struct.(Theochem), 1989, 183, 103-119: Ab initio study of neutral O2, SO, S2, C2H2 and their mono- and dications.

523. A.T. Balaban, Amer. Scientist 1997, 85, 207-209 : Mozart, Ford, and the information superhighway paradox.

551. A.T. Balaban, J. Chem. Educ. 1999, 76, 359: A different approach to a three-dimensional periodic system including stable isotopes.

580. I.C. Covaci, T. Constantinescu, M.T. Caproiu, C. Luca, and A.T. Balaban, Eur. J. Org. Chem. 2000, 3569-3473: Solid supramolecular complexes of potassium salts of N-methoxynitroaniline derivatives and methoxyamino-3,5-dinitropyridine with 18-crown-6 ether.

597. M.D. Banciu, E.E. Castellano, J. Ellena, I. Haiduc, C. Draghici, and A.T. Balaban, New J. Chem. 2001, 25, 1472-1474: Serendipitous, one-pot formation of 2,3,7-triphenyl-cyclopenta[c]pyran from 1,2-diphenylethanedione (“benzil”) and cyclopentadiene.

613. I. C. Covaci, P. Ionita, M. T. Caproiu, R. Socoteanu, T. Constantinescu, and A. T. Balaban, Central Eur. Chem. J. 2003, 1, 57-68: 1,3-bis-(2,4,6-Trinitrophenylaminooxy)propane and its 4-cyano-2,6-dinitrophenyl congener: synthesis and properties.

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618. N.H. March, A.T. Balaban, F.E. Leys, D.J. Klein, and W. A. Seitz, Phys. Chem. Liquids, 2003, 41, 303-308: Regularities in melting points of lithium halides: Is LiH anomalous?

622. M.Bem, M.T. Caproiu, D. Stoicescu, T. Constantinescu, and A.T. Balaban, Central Eur. J. Chem. 2003, 3, 260-276: Synthesis of 4-aryloxy-7-nitrobenzofurazan derivetives from 4-chloro-7-nitrobenzofurazan and various phenoxide anions (including pharmaceuticals) in the presence of crown ethers.

623. A.Beteringhe, I. Baciu, M.T. Caproiu, T. Constantinescu, and A.T. Balaban, J. Planar Chromatog. 2003, 16, 268-270: O-Methyloximes of testosterone and of 17a-methyltestosterone: TLC and QSPR strudy of RF values.

624. L. Pogliani, D.J. Klein, and A.T. Balaban: Match, Commun. Math. Computer Chem. 2004, 51, 213-240. The number two and the intriguing dualism of nature. Scientific curiosity and everyday concepts.

641. A.T. Balaban, Chem. Educator, 2004, 9, 356-358: Chemistry is as easy as 2–3–4 (types of: atoms – chemical bonds – crystal lattices).

612. M. Randic and A. T. Balaban, J. Chem. Inf. Comput. Sci. 2003, 43, 532-539: On a four-dimensional representation of DNA primary sequences.


617. A. T. Balaban, D. Plavsic and M. Randic, Chem. Phys. Lett. 2003, 379, 147-154: DNA invariants based on nonoverlapping triplets of nucleotide bases.

635. M. Randic, J. Zupan, and A.T. Balaban, Chem. Phys. Lett. 2004, 397, 247-252: Unique graphical representation of protein sequences based on nucleotide triplet codons.

639. A.T. Balaban, S.C. Basak, A. Beteringhe, D. Mills, and C.T. Supuran, Mol. Diversity, 2004, 8, 401-412: QSAR study using topological indices for inhibition for carbonic anhydrase II by sulfanilamides and Schiff bases.

640. M. Bem, M. Vasilescu, M.T. Caproiu, C. Draghici, A. Beteringhe, T. Constantinescu,

M.D. Banciu, and A.T. Balaban, Central Eur. Chem. J. 2004, 2, 672-685: Structural factors influencing the reaction rates of 4-aryloxy-7-nitrobenzofurazans with amino acids.

645. A.T. Balaban, D.J. Klein, N.H. March, M.P. Tosi, and M. Ausloos, ChemPhysChem 2005, 6,1741-1745: Phase transition regularities in critical constants, fusion temperatures and enthalpies of some chemically similar chainlike structures.

648. A. T. Balaban, MATCH, Commun. Math. Comput. Chem. 2005, 37, 7-14: Recollections about Professor Oskar E. Polansky: A personal account occasioned by the 30th anniversary of MATCH.

657. A. T. Balaban, D. J. Klein, N. H. March, and C. C. Matthai, Phys. Chem. Liquids, 2005, 43, 403-407: Transport and thermodynamic properties in low melting point ionic liquids related to n-alkyl chain length

684. A. T. Balaban and D. J. Klein, Scientometrics, 2006, 69, 615-637: Is chemistry ‘The Central Science’? How are different sciences related? Co-citations, reductionism, emergence, and posets.

692. A. T. Balaban, D. J. Klein, and N. H. March, Physics and Chemistry of Liquids 2007,45, 597-600: Aqueous solutions of a “green” ionic liquid and of lithium chloride compared and contrasted.

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694. M. Bem, F. Badea, C. Draghici, M. T. Caproiu, M. Vasilescu, M. Voicescu, A. Beteringhe, A. Caragheorgheopol, M. Maganu, T. Constantinescu, and A. T. Balaban, Arkivoc 2007 (xiii) 87-104: Synthesis and fluorescent properties of new derivatives of 4-amino-7-nitrobenzofurazan.

703. A. T. Balaban, N. H. March, and D. J. Klein, Phys. Chem. Liquids 2008, 46, 682-686: Melting points and other properties of ionic liquids, with emphsis on the pressure dependence.

704. M. Bem, F. Badea, C. Draghici, M. T. Caproiu, M. Vasilescu, M. Voicescu, G. Pencu, A. Beteringhe, M. Maganu, I. C. Covaci, T. Constantinescu, and A. T. Balaban, Arkivoc, 2008 (ii) 218-234: 4-(D-Glucosamino)-7-nitrobenzoxadiazole: Synthesis, anomers, spectra, TLC behavior, and applications.

706. A. T. Balaban and M. Lesko, The Chemical Educator, 2008, 13 (2) 59-60: Is there any connection between The da Vinci Code and the tetrahedral bond angle? A simple

712. R. D. Baratoiu,.L. Mutihac, M. T. Caproiu, C. Draghici, F. Dumitrascu, R. Socoteanu, A. Beteringhe, M. Maganu, I. C. Covaci, M. Bem, T. Constantinescu and A. T. Balaban, Arkivoc 2008 (xi) 307-321: 3,5-Dinitro-N-(4’-benzo-15-crown-5)-benzamide derivatives. Synthesis and properties.

717. A. T. Balaban, N. H. March, and D. J. Klein, Phys. Chem. Liquids, 2009, 47, 1-4: Relation of surface tension to compressibility at room temperature and wetting index inolving also viscosity for twenty-two orgnic liquids.

724. R. D. Baratoiu, L. Mutihac, M. Vasilescu, M. Voicescu, A. Latus, G. Ionita, A. Beteringhe, T. Constantinescu, and A. T. Balaban, Arkivoc 2009 (xiii) 300-310: Chemiluminescence of 5-(azo-para-phenylene-N-aza-15-crown-5)-phthalhydrazide

726. A. C. Rặduţiu, I. Baciu, M. T. Cặproiu, C. Drặghici, A. Beteringhe, G. Ionita, P. Ionita, T. Spataru, N. Spataru, R. D. Baratoiu, T. Constantinescu, and A. T. Balaban. Wurster aza-crown ethers with N-para-phenylene-phenothiazine or -phenoxazine groups: Arkivoc, 2009, (xiii) 342-362.

729. A. T. Balaban, D. J. Klein, and N. H. March, Phys. Chem. Liquids 2009, 47, 471-473: Modelling the structure of the water molecule under boith local environmental constraints and explosive conditions.

735. L. Türker, Ç. Ç. Bayar, and A. T. Balaban, Polycyclic Arom. Comp. 2010, 30, 99-111: A DFT study on push-pull (amino-nitro) fulminenes and hexahelicenes.

737. M. Tudose, F. D. Badea, G. Ionita, M. Maganu, M. T. Caproiu, P. Ionita, T.Constantinescu, and A. T. Balaban, Struct. Chem. 2010, 21, 1227-1234: N-Alkoxy-3,5-dinitro-4-aminobenzoic acid derivatives with controlled physico-chemical properties.

738. M. Tudose, F. D. Badea, M. T. Caproiu, A. Beteringhe, M. Maganu, P. Ionita, T. Constantinescu, and A. T. Balaban, Central Eur. J. 2010, 8, 789-796: New N-aryloxy-phthalimide derivatives. Synthesis, physico-chemical properties, and QSPR studies.

739. S. C. Basak, D. Mills, B. D. Gute, A. T. Balaban, K. Basak and G. D. Grunwald, Curr. Comput.-Aided Drug Des. 2010, 6, 240-251: Use of mathematical structural invariants in analyzing combinatorial libraries: a case study with psoralen derivatives.

747. E. N. Hristea, M. Bem, T. S. Balaban, A. Eichhöfer, M. T. Caproiu, C. Draghici, G. Ionita, T. Spataru, C. Enache, M. Maganu, A. Beteringhe, M. Hillebrand, T. Constantinescu, and A.

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T. Balaban, Arkivoc 2011, xi, 213-236: Novel 1,1-diphenylhydrazine derivatives of benzofurazan and their dimerization.

756. M. Tudose, M. T. Caproiu, F. D. Badea, G. Nedelcu, P. Ionita, T. Constantinescu and A. T. Balaban, Arkivoc, 2011 (ii) 343-354, New mono- and di-branched derivatives of Kryptofix K22 with N-4-methoxyamino-3,5-dinitrobenzoyl substituenrs. Synthesis and properties.

757. G. Forte, J. M. Oliva, A. T. Balaban, D. J. Klein, and N. H. March, Phys. Chem. Liquids 2012, 50, 1-9, Modelling X-ray scattering factors from fluids of some fluorinated molecules and related compounds.

765. F. Spafiu, A. Mischie, A. Beteringhe, T. Constanrtinescu, and A. T. Balaban, The Open Chem. Phys. J. 2012, 4, 18-23: Study of intermolecular interactions involved in capillary GLC with liquid crystal compounds as stationary phases.

C.12 Biomolecules

612. M. Randic and A. T. Balaban, J. Chem. Inf. Comput. Sci. 2003, 43, 532-539: On a four-dimensional representation of DNA primary sequences.


617. A. T. Balaban, D. Plavsic and M. Randic, Chem. Phys. Lett. 2003, 379, 147-154: DNA invariants based on nonoverlapping triplets of nucleotide bases.

635. M. Randic, J. Zupan, and A.T. Balaban, Chem. Phys. Lett. 2004, 397, 247-252: Unique graphical representation of protein sequences based on nucleotide triplet codons.

639. A.T. Balaban, S.C. Basak, A. Beteringhe, D. Mills, and C.T. Supuran, Mol. Diversity, 2004, 8, 401-412: QSAR study using topological indices for inhibition for carbonic anhydrase II by sulfanilamides and Schiff bases.

640. M. Bem, M. Vasilescu, M.T. Caproiu, C. Draghici, A. Beteringhe, T. Constantinescu,

M.D. Banciu, and A.T. Balaban, Central Eur. Chem. J. 2004, 2, 672-685: Structural factors influencing the reaction rates of 4-aryloxy-7-nitrobenzofurazans with amino acids.

655. M.Randic, N.Lers, D. Plavsic, S. C. Basak,and A. T. Balaban, Chem. Phys. Lett. 2005, 407, 205-208: Four-color map representation of DNA or RNA sequences and their numerical characterization.

656. J. Klun, A. T. Balaban, R. Natarajan, S. C. Basak, and W. Schmidt, Pest Management Sci. 2005, 61, 1193-1201: Chirality index, molecular overlay and the activity of stereoisomeric topical mosquito repellents.

665. M. Randic, A.T. Balaban, M. Novic, A. Zaloznik, and T. Pisanski, Periodicum Biologorum, 2005, 197, 403-414: A novel graphical representation of proteins.

715. A.T. Balaban and M.Randić, New chessboard (8×8) representation of the standard genetic code, and its application for representing primary structures of proteins. IEEE Comput. Soc. 2008, DOI 10.1109/BIOTECHNO.2008.30, pp. 76-81.

718. Ö. Güzel, A. Maresca, A. Scozzafava, A. Salman, A. T. Balaban, and C. T. Supuran, Bioorg. Med. Chem. Lett. 2009, 19, 2931-2934: Carbonic anhydrase inhibitors. Synthesis of membrane-impermeant, potent inhibitors of the tumor-associated isoform IX based on pyridinium derivatives of 2-(hydrazinocarbonyl)-3-substituted-phenyl-1H-indole-5-sulfonamides.

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722. Ö. Güzel, A. Maresca, A. Scozzafava, A. Salman, A. T. Balaban, and C. T. Supuran, J. Med. Chem. 2009, 52, 4063-4067: Discovery of nanomolar and subnanomolar inhibitors of the mycobacterial β carbonic anhydrases Rv1284 and Rv3273.

743. M. Randić, J. Zupan, A. T. Balaban D. Vikic-Topic, and D. Plavsic, Chem. Rev. 2011, 111, 790-862: On graphical representation of proteins.

C.13 Autobiographical essays

505. A.T. Balaban, J. Chem. Inf. Comput. Sci. 1995, 35, 339-350: Chemical graphs: looking back and a glimpse ahead.

650. A. T. Balaban, Foundations Chem. 2005, 7, 289-306: Reflections about mathematical chemistry.

745. A. T. Balaban, MATCH, Commun. Math. Comput. Chem. 2011, 66, 7-32: Autobiographical notes: 80 years of age, 68 years of chemistry.

763. A. T. Balaban, A personal view of chemistry (with emphasis to mathematical chemistry) as science and art, Internet Electronic J. Mol. Design 2012, 11, 1-22.

764. A. T. Balaban, Rev. Roum. Chim. 2012, 57, 535-557: Brief review of contributions to organic chemistry.

D. Patents

24. R.E. Garfield, A.T. Balaban, W.A. Seitz, D.J. Klein and M. Lesko, U. S. Patent 5,698,738 (Dec. 16, 1997); [Patent Appl. 08/440,970 (May 15, 1995); International Patent Appl. PCT/US/96/06942 (May 15, 1996)]: N-Nitroso-N-substituted hydroxylamines as nitric oxide donors.

25. R.E. Garfield, A.T. Balaban and W.E. Seitz, U. S. Patent 5,869,539 (Feb. 9, 1999); [Patent Appl. 08/633,337 (April 17, 1996)]: Emulsions of perfluoro compounds as solvents for nitric oxide (NO).

26. W.A. Seitz, R.E. Garfield, A.T. Balaban, and R.J. Stewart, U. S. Patent 6,103,275 (Aug. 5, 2000) [Patent Appl. 09/095,174 (June 10, 1998)]: Systems and methods for topical treatment with nitric oxide.

27. A.T. Balaban, M.J. Lesko, and W.A. Seitz, U. S. Patent Appl. 017575.0542 (Aug. 18, 2000): New classes of ionic liquids and procedures for their preparation.

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