Synthetic communications

Hypervalent Iodine??Mediated Synthesis of 1??Aryl??4??methyl??1, 2, 4??triazolo [4, 3??a] quinoxalines by Oxidative Cyclization of Arene Carbaldehyde??3??methylquinoxalin …

R Aggarwal, G Sumran

文献索引：Aggarwal, Ranjana; Sumran, Garima Synthetic Communications, 2006 ,  vol. 36,  # 13  p. 1873 - 1878

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被引用次数: 13

摘要

Abstract Arene carbaldehyde??3??methylquinoxalin??2??yl hydrazones (2) obtained by the condensation of 2??hydrazino??3??methylquinoxaline (1) with various aromatic aldehydes, on treatment with iodobenzene diacetate (IBD) in dichloromethane, undergo oxidative cyclization to exclusively afford 1??aryl??4??methyl??1, 2, 4??triazolo [4, 3??a] quinoxalines (5) in excellent yield.