Tetrahedron letters

Alkynylation of N-tosylimines with aryl acetylenes promoted by ZnBr 2 and N, N-diisopropylethylamine in acetonitrile

KY Lee, CG Lee, JE Na, JN Kim

文献索引：Lee, Ka Young; Lee, Chang Gon; Na, Jeong Eun; Kim, Jae Nyoung Tetrahedron Letters, 2005 , vol. 46, # 1 p. 69 - 74

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被引用次数: 42

摘要

We found a suitable condition for the effective alkynylation of N-tosylimines with aryl acetylenes. The reaction of N-tosylimines and aryl acetylenes in the presence of ZnBr2 and DIEA (N, N-diisopropylethylamine) in CH3CN afforded the desired N-tosyl propargylamines in moderate to good yields.