Catalytic enantioselective cyclopropanation of allylic alcohols using recyclable fluorous disulfonamide ligand

被引：11

作者：

Miura, Tsuyoshi ^{[1
]}

Itoh, Keisuke ^{[1
]}

Yasaku, Yumi ^{[1
]}

Koyata, Naka ^{[1
]}

Murakami, Yasuoki ^{[1
]}

Imai, Nobuyuki ^{[1
]}

机构：

[1] Chiba Inst Sci, Fac Pharmaceut Sci, Chiba 2880025, Japan

来源：

TETRAHEDRON LETTERS | 2008年 / 49卷 / 40期

基金：

日本学术振兴会;

关键词：

D O I：

10.1016/j.tetlet.2008.07.125

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Cyclopropanation of allylic alcohols with Et(2)Zn and CH(2)I(2) in the presence of a catalytic amount of fluorous disulfonamide 3 afforded the corresponding cyclopropylmethanols in 69-96% yield with 49-83% ee. The fluorous ligand 3 was readily recovered from the reaction mixture by the fluorous solid-phase extraction (FSPE) and could be reused without a significant loss of the catalytic activity and enantioselectivity. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：5813 / 5815

页数：3

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