An efficient and general entry to (Z)-alpha-fluoro-beta-substituted acrylaldehydes based on the coupling reaction of alpha-fluoro-beta-amino acrylaldehydes with organolithium reagents

被引:12
作者
Funabiki, K
Kurita, T
Matsui, M
Shibata, K
机构
[1] Department of Chemistry, Faculty of Engineering, Gifu University, Yanagido
关键词
D O I
10.1246/cl.1997.739
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
alpha-Fluoro-beta-amino acrylaldehydes (2), readily available from the reaction of polyfluoroalkenyl tosylates (1) with dialkylamines in the presence of triethylamine and a catalytic amount (10 mol%) of tetrabutylammonium fluoride (TBAF), reacted smoothly with various organolithium reagents at -78 degrees C for 0.5 h, followed by hydrolysis with 10% hydrochloric acid at room temperture for 1 h to afford the corresponding (Z)-alpha-fluoro-beta-substituted acrylaldehydes (3) via allylic rearrangement in good to excellent yields.
引用
收藏
页码:739 / 740
页数:2
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