ENANTIOSELECTIVE CATALYSIS .66. ENANTIOSELECTIVE CATALYTIC TRANSFER HYDROGENATION OF ALPHA,BETA-UNSATURATED CARBOXYLIC-ACIDS WITH FORMATES CATALYZED BY NOVEL RUTHENIUM PHOSPHINE COMPLEXES

被引:61
|
作者
BROWN, JM [1 ]
BRUNNER, H [1 ]
LEITNER, W [1 ]
ROSE, M [1 ]
机构
[1] UNIV REGENSBURG,INST ANORGAN CHEM,W-8400 REGENSBURG,GERMANY
关键词
D O I
10.1016/S0957-4166(00)82111-4
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Hydrogen transfer from the formic acid/triethylamine (5:2) azeotrope to alpha,beta-unsaturated carboxylic acids is effectively catalyzed by ruthenium complexes of general formula [Ru(acac-F6)(eta-3 - C3H5)(diphosphine)]. If a chiral diphosphine is employed, the saturated acids are obtained in up to 93% ee, the most active and selective catalyst being formed with BINAP.
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页码:331 / 334
页数:4
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