RUTHENIUM (II)-SULFONATED BINAP - A NOVEL WATER-SOLUBLE ASYMMETRIC HYDROGENATION CATALYST

被引：58

作者：

WAN, KT ^{[1
]}

DAVIS, ME ^{[1
]}

机构：

[1] CALTECH, DIV CHEM & CHEM ENGN, PASADENA, CA 91125 USA

来源：

TETRAHEDRON-ASYMMETRY | 1993年 / 4卷 / 12期

关键词：

D O I：

10.1016/S0957-4166(00)82224-7

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Ruthenium (II)-sulfonated-BINAP has been synthesized and this novel water-soluble complex is shown to be an excellent asymmetric hydrogenation catalyst for 2-acylamino acid precursors and methylenesuccinic acid in both methanolic as well as in neat water solvent systems. Enantiomeric excesses approaching 90% have been obtained in aqueous and methanolic solvents. Effects of solvent, pressure and the addition of organic base on enantioselectivity are described.

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页码：2461 / 2468

页数：8

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