Simple and efficient heterogeneous copper catalysts for enantioselective C-H carbene insertion

被引：87

作者：

Fraile, Jose M. ^{[1
]}

Garcia, Jose I.

Mayoral, Jose A.

Roldan, Marta

机构：

[1] Univ Zaragoza, Dept Quim Organ, Inst Ciencia Mat Aragon, E-50009 Zaragoza, Spain

[2] Univ Zaragoza, CSIC, Inst Univ Catalisis Homogenea, E-50009 Zaragoza, Spain

来源：

ORGANIC LETTERS | 2007年 / 9卷 / 04期

关键词：

D O I：

10.1021/ol070092y

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Immobilized box-Cu complexes are able to efficiently catalyze the insertion of a carbene, from methyl phenyldiazoacetate, into C-H bonds of THF, with high enantioselectivity (up to 88% ee). The immobilization not only allows recovery and reuse of the enantioselective catalyst but also provides an improvement in the selectivities from the values obtained in solution, probably due to a confinement effect of the bidimensional support.

引用

页码：731 / 733

页数：3

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