Stereospecific preparation of (Z)-α-fluorostilbenes via a kinetically controlled palladium-catalyzed cross-coupling reaction of high E/Z ratio 1-bromo-1-fluorostyrenes and aryl stannanes

被引:25
|
作者
Xu, JJ [1 ]
Burton, DJ [1 ]
机构
[1] Univ Iowa, Dept Chem, Iowa City, IA 52242 USA
基金
美国国家科学基金会;
关键词
fluorostilbenes; palladium-catalyzed cross-coupling; stereospecific; isomerization; bromofluoroalkenes; kinetic separation;
D O I
10.1016/S0040-4039(02)00357-X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
High E/Z ratios were obtained for 1-bromo-1-fluorostyrenes by isomerization from the original E/Z ratios of approximately 1:1. The palladium-catalyzed cross-coupling reaction of high E/Z ratio 1-bromo-1-fluorostyrenes with aryl stannanes gives (Z)-alpha-fluorostilbenes stereospecifically in good yields. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2877 / 2879
页数:3
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