Novel chiral diimines and diamines derived from sugars in copper-catalysed asymmetric cyclopropanation

被引：30

作者：

Borriello, C ^{[1
]}

Cucciolito, ME ^{[1
]}

Panunzi, A ^{[1
]}

Ruffo, F ^{[1
]}

机构：

[1] Univ Naples Federico II, Dipartimento Chim, I-80126 Naples, Italy

来源：

TETRAHEDRON-ASYMMETRY | 2001年 / 12卷 / 17期

关键词：

D O I：

10.1016/S0957-4166(01)00438-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

New chiral diimino and diamino ligands derived from alpha -D-mannose and alpha -D-glucose are described. The ligands are obtained by introducing the appropriate nitrogen functions at C(2) and C(3) of the sugar rings. The ability of the new chelates to promote the asymmetric copper(I)-catalysed cyclopropanation of styrene has been investigated. The nature of both the sugars and the chelates is crucial in determining the enantioselectivity of the reaction. (C) 2001 Elsevier Science Ltd. All rights reserved.

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页码：2467 / 2471

页数：5

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