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CONJUGATE ADDITION OF DIETHYLZINC TO ENONES CATALYZED BY HOMOGENEOUS AND SUPPORTED CHIRAL NI-COMPLEXES - COOPERATIVE EFFECT OF THE SUPPORT ON ENANTIOSELECTIVITY

被引：63
作者：
CORMA, A
IGLESIAS, M
MARTIN, MV
RUBIO, J
SANCHEZ, F
机构：
[1] INST QUIM ORGAN J DE LA CIERVA 3,E-28006 MADRID,SPAIN
[2] INST MAT,E-28006 MADRID,SPAIN
[3] INST TECNOL QUIM,E-46071 VALENCIA,SPAIN
来源：
TETRAHEDRON-ASYMMETRY | 1992年 / 3卷 / 07期
关键词：
D O I：
10.1016/S0957-4166(00)82180-1
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Chiral t-butylaminocarbonylpyrrolidine acetylacetonate Ni(II) hexafluorophosphate and the corresponding supported complexes on silica and on a modified USY-zeolite are readily prepared. The application of these free and supported complexes as catalysts in the addition Of diethylzinc to a series of different substituted enones affords chiral beta-ethylated ketones in high yields with an enantiomeric excess up to 95%.
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页码：845 / 848
页数：4
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