Silica gel supported bis-cinchona alkaloid: A highly efficient chiral ligand for heterogeneous asymmetric dihydroxylation of olefins

被引：59

作者：

Song, CE ^{[1
]}

Yang, JW ^{[1
]}

Ha, HJ ^{[1
]}

机构：

[1] HANKUK UNIV FOREIGN STUDIES, DEPT CHEM, YONGIN 449791, SOUTH KOREA

来源：

TETRAHEDRON-ASYMMETRY | 1997年 / 8卷 / 06期

关键词：

D O I：

10.1016/S0957-4166(97)00074-8

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Comparable reactivity and enantioselectivity to those in homogeneous solution have been achieved in heterogeneous catalytic asymmetric dihydroxylation (AD) of olefins using a new silica gel supported cinchona alkaloid containing 1,4-bis(9-O-quininyl)phthalazine ((QN)(2)-PHAL). Moreover, the silica supported alkaloid exhibited much greater binding ability for OsO4 than its homogeneous analogue. (C) 1997 Elsevier Science Ltd.

引用

页码：841 / 844

页数：4

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