Lewis acid catalysis by lanthanide complexes with tris(perfluorooctanesulfonyl)methide ponytails in fluorous recyclable phase

被引：50

作者：

Mikami, K ^{[1
]}

Mikami, Y

Matsumoto, Y

Nishikido, J

Yamamoto, F

Nakajima, H

机构：

[1] Tokyo Inst Technol, Dept Appl Chem, Tokyo 1528552, Japan

[2] Noguchi Inst, Tokyo 1730003, Japan

来源：

TETRAHEDRON LETTERS | 2001年 / 42卷 / 02期

关键词：

acylation; environmental benignity; fluorous phase; lanthanide; Lewis acid catalysis;

D O I：

10.1016/S0040-4039(00)01925-0

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Scandium and ytterbium tris(perfluorooctanesulfonyl)methide complexes are shown to be immobilized in fluorous recyclable phase and extremely efficient Lewis acid catalysts for alcohol acylation, Friedel-Crafts acylation, Diels-Alder reaction, and Mukaiyama aldol reaction by virtue of the highly electron-withdrawing effect of trisfperfluorooctanesulfonyl)methide ponytails without any hydrocarbon spacer. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：289 / 292

页数：4

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