CHROMIUM CATALYZED ASYMMETRIC ALKENE EPOXIDATION - GREATER SELECTIVITY FOR AN E-ALKENE VERSUS ITS Z-ISOMER

被引：76

作者：

BOUSQUET, C ^{[1
]}

GILHEANY, DG ^{[1
]}

机构：

[1] UNIV COLL DUBLIN,DEPT CHEM,DUBLIN 4,IRELAND

来源：

TETRAHEDRON LETTERS | 1995年 / 36卷 / 42期

关键词：

D O I：

10.1016/0040-4039(95)01577-5

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

E-beta-methylstyrene can be asymmetrically epoxidised stoichiometrically with up to 83% ee and catalytically with up to 77% ee by chiral chromium complexes in the presence of phosphine oxides, DMSO or DMF. In all cases the analogous reaction with Z-beta-methylstyrene gives lower ee.

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页码：7739 / 7742

页数：4

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