Synthesis of a library of chiral α-amino acid-based borate counteranions and their application to copper catalyzed olefin cyclopropanation

被引：36

作者：

Llewellyn, DB ^{[1
]}

Arndtsen, BA ^{[1
]}

机构：

[1] McGill Univ, Dept Chem, Montreal, PQ H3A 2K6, Canada

来源：

TETRAHEDRON-ASYMMETRY | 2005年 / 16卷 / 10期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1016/j.tetasy.2005.04.004

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Twenty borate counteranions have been prepared from tartaric acid and alpha-amino acid derivatives. Ion pairing of these anions to a copper cation can be Used to induce enantioselectivity into the copper catalyzed cyclopropanation of styrene. Structural modification of the anion provides insight into the importance of each component of the counteranion in asymmetric induction. (C) 2005 Published by Elsevier Ltd.

引用

页码：1789 / 1799

页数：11

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