Trimeric Cinchona alkaloid phase-transfer catalyst:: α,α′,α"-tris[O(9)-allylcinchonidinium]mesitylene tribromide

被引：94

作者：

Park, HG ^{[1
]}

Jeong, BS ^{[1
]}

Yoo, MS ^{[1
]}

Park, MK ^{[1
]}

Huh, H ^{[1
]}

Jew, SS ^{[1
]}

机构：

[1] Seoul Natl Univ, Coll Pharm, Seoul 151742, South Korea

来源：

TETRAHEDRON LETTERS | 2001年 / 42卷 / 28期

关键词：

trimeric Cinchona alkaloid ammonium salt; phase-transfer catalyst;

D O I：

10.1016/S0040-4039(01)00809-7

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A trimeric Cinchona alkaloid ammonium salt, alpha,alpha',alpha" -tris[O(9)-allylcinchonidinium]mesitylene tribromide has been prepared as a novel phase-transfer catalyst. The catalytic enantioselective alkylation of N-(diphenylmethylene)glycine tert-butyl ester using the trimer catalyst showed high enantioselectivity (90-97% ee). (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：4645 / 4648

页数：4

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