The effect of the substrate structure on the stereoselectivity in an asymmetric hydrogenation of unsaturated carboxylic acids over cinchonidine-modified palladium catalyst

被引:36
|
作者
Sugimura, T [1 ]
Watanabe, J [1 ]
Okuyama, T [1 ]
Nitta, Y [1 ]
机构
[1] Univ Hyogo, Himeji Inst Technol, Grad Sch Mat Sci, Kamigori, Hyogo 6781297, Japan
关键词
D O I
10.1016/j.tetasy.2005.03.020
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
An enantiomeric ratio of 10: 1 (82% ee) was achieved for the first time in the hydrogenation of alpha,beta-tinsaturated acids with heterogeneous catalysts by designing the substrate structure to enhance the interaction with the catalyst, and to increase the intrinsic stereoselectivity. (C) 2005 Elsevier Ltd. All rights reserved.
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页码:1573 / 1575
页数:3
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