Rhodium-catalyzed asymmetric 1,4-addition of arylboron reagents to α,β-unsaturated esters

被引:155
|
作者
Takaya, Y [1 ]
Senda, T [1 ]
Kurushima, H [1 ]
Ogasawara, M [1 ]
Hayashi, T [1 ]
机构
[1] Kyoto Univ, Grad Sch Sci, Dept Chem, Sakyo Ku, Kyoto 6068502, Japan
基金
日本学术振兴会;
关键词
D O I
10.1016/S0957-4166(99)00417-6
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Reaction of arylboron reagents, arylboronic acids or arylborates, which are readily accessible by lithiation of aryl bromides followed by treatment with trimethoxyborane, with alpha,beta-unsaturated esters in the presence of rhodium/(S)-binap catalyst proceeded with high enantioselectivity to give high yields of optically active beta-aryl esters of up to 98% ee. The enantioselectivity depends on the steric bulkiness of the ester moiety. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:4047 / 4056
页数:10
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