cheminform abstract: sonochemical cycloadditions of o-quinones. the search for a cation radical...

2000 cycloaddition reactions cycloaddition reactions O 0070 35 - 031 Sonochemical Cycloadditions of o-Quinones. The Search for a Cation Radical Pathway. — Diels–Alder cycloaddition of o-quinone (I) with 2-substituted furans under ultrasonication proceeds with good yields and virtually absolute regio- and diastereoselectivity to furnish adducts (III). The reaction mechanism is discussed. — (AVALOS, MARTIN; BABIANO, REYES; BRAVO, JOSE L.; CABELLO, NOEMI; CINTAS, PEDRO; HURSTHOUSE, MICHEAL B.; JIMENEZ, JOSE L.; LIGHT, MARK E.; PALACIOS, JUAN C.; Tetrahedron Lett. 41 (2000) 21, 4101-4105; Dep. Quim. Org., Fac. Cienc., Univ. Extremadura, E-06071 Badajoz, Spain; EN) 1

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Page 1: ChemInform Abstract: Sonochemical Cycloadditions of o-Quinones. The Search for a Cation Radical Pathway

2000 cycloaddition reactions

cycloaddition reactionsO 0070

35 - 031Sonochemical Cycloadditions of o-Quinones. The Search for a CationRadical Pathway. — Diels–Alder cycloaddition of o-quinone (I) with2-substituted furans under ultrasonication proceeds with good yields andvirtually absolute regio- and diastereoselectivity to furnish adducts (III). Thereaction mechanism is discussed. — (AVALOS, MARTIN; BABIANO, REYES;BRAVO, JOSE L.; CABELLO, NOEMI; CINTAS, PEDRO; HURSTHOUSE,MICHEAL B.; JIMENEZ, JOSE L.; LIGHT, MARK E.; PALACIOS, JUANC.; Tetrahedron Lett. 41 (2000) 21, 4101-4105; Dep. Quim. Org., Fac. Cienc.,Univ. Extremadura, E-06071 Badajoz, Spain; EN)

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