Lanthanide iodides, a new family of efficient Lewis acid catalysts

被引：62

作者：

Collin, J ^{[1
]}

Giuseppone, N ^{[1
]}

Van de Weghe, P ^{[1
]}

机构：

[1] Univ Paris 11, ICMO, Lab React Organ Select, URA 1497, F-91405 Orsay, France

来源：

COORDINATION CHEMISTRY REVIEWS | 1998年 / 178卷

关键词：

lanthanide iodides; catalysis; cyclopentadienyl complexes; chirality;

D O I：

10.1016/S0010-8545(98)00086-1

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Samarium diiodide and other lanthanide iodides are very efficient Lewis acid catalysts for numerous reactions such as Mukaiyama aldol and Michael reactions, preparation of enoxysilanes, cycloaddition reactions and ring opening of oxiranes by silylated nucleophiles or amines. Activities and selectivities of catalysts vary with the nature of the metal and the ligands for some reactions. Lanthanide iodides coordinated by a cyclopentadienyl ligand with an asymmetric center and an ether function on a pendant chain have been characterized and tested for catalysis: low enantioselectivities are observed for complexes with intramolecular coordination. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：117 / 144

页数：28

共 127 条

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