synthesis of new heteroaromatic nitrogen ligands:...

2007 Ring closure reactions O 0130 Synthesis of New Heteroaromatic Nitrogen Ligands: Pyrimido[4'',5'':4',5']thieno[3',2':4,5]thieno[3,2-d]pyrimidines and 1,2,3-Triazine[4'',5'':4',5']thieno[3',2':4,5]thieno[3,2-d]-1,2,3-triazines. — Ongoing interest in the synthesis of novel heterocycles with potential biological activity leads to the preparation of com- pounds such as (V) and (VII). Some mechanistical aspects are discussed. — (BLANCO, G.; QUINTELA*, J. M.; PEINADOR, C.; J. Heterocycl. Chem. 43 (2006) 4, 1051-1056; Dep. Quim. Fundam. Ind., Fac. Cienc., Univ. La Coruna, E-15071 La Coruna, Spain; Eng.) — K. Schneider 01- 039

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Page 1: Synthesis of New Heteroaromatic Nitrogen Ligands: Pyrimido[4′′,5′′:4′,5′]thieno[3′,2′:4,5]thieno[3,2-d]pyrimidines and 1,2,3-Triazine[4′′,5′′:4′,5′]thieno[3′,2′:4,5]thieno

2007

Ring closure reactionsO 0130 Synthesis of New Heteroaromatic Nitrogen Ligands: Pyrimido[4'',5'':4',5']thi-

eno[3',2':4,5]thieno[3,2-d]pyrimidines and 1,2,3-Triazine[4'',5'':4',5']thi-eno[3',2':4,5]thieno[3,2-d]-1,2,3-triazines. — Ongoing interest in the synthesis of novel heterocycles with potential biological activity leads to the preparation of com-pounds such as (V) and (VII). Some mechanistical aspects are discussed. — (BLANCO, G.; QUINTELA*, J. M.; PEINADOR, C.; J. Heterocycl. Chem. 43 (2006) 4, 1051-1056; Dep. Quim. Fundam. Ind., Fac. Cienc., Univ. La Coruna, E-15071 La Coruna, Spain; Eng.) — K. Schneider

01- 039

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