CATALYTIC ASYMMETRIC HYDROGENATION OF ACTIVATED KETO COMPOUNDS BY SOME HOMOGENEOUS AND SILICA-SUPPORTED DI(MU-CARBOXYLATO)BIS(AMINOPHOSPHINEPHOSPHINITE)DIRHODIUM COMPLEXES

被引:21
作者
CARPENTIER, JF
AGBOSSOU, F
MORTREUX, A
机构
[1] Laboratoire de Catalyse Hétérogène et Homogène, groupe de Chimie Organique Appliquée, URA CNRS 402, Ecole Nationale Supérieure de Chimie de Lille
关键词
D O I
10.1016/0957-4166(94)00346-D
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
New soluble and silica-supported rhodium complexes have been synthesized and tested as catalyst precursors for the enantioselective hydrogenation of alpha-ketoesters and an alpha-ketoamide. The homogeneous catalysts have been found to be efficient in terms of activity and asymmetric induction (up to 94% enantiomeric excess), On the other hand, the heterogenized systems exhibited lower performances and were gradually deactivated.
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页码:39 / 42
页数:4
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