BIS(OXAZOLINE) AS LIGANDS FOR SELF-ASSEMBLING CHIRAL COORDINATION POLYMERS - STRUCTURE OF A COPPER(I) CATALYST FOR THE ENANTIOSELECTIVE CYCLOPROPANATION OF OLEFINS

被引：229
|
作者：
EVANS, DA
WOERPEL, KA
SCOTT, MJ
机构：
[1] Department of Chemistry, Harvard University, Cambridge, Massachusetts
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1992年 / 31卷 / 04期
关键词：
D O I：
10.1002/anie.199204301
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An efficient Cu(I) catalyst for the highly enantioselective cyclopropanation (>98% ee) of styrene with diazoacetic acid esters is obtained from the reaction of copper(i) trifluoronlethanesulfonate with bis(dihydrooxazolyl)propane (1). The CuOTf-1 complex is a helical coordination polymer air-stable in the solid state, whose structure is not retained in solution.
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页码：430 / 432
页数：3
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