Internally Lewis acid-catalyzed Diels-Alder cycloadditions

被引：16

作者：

Bienayme, H

Longeau, A

机构：

[1] Rhône-Poulenc Ind. CRIT, 69192 St-Fons

来源：

TETRAHEDRON | 1997年 / 53卷 / 28期

关键词：

D O I：

10.1016/S0040-4020(97)00636-4

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Suitable dienes, covalently connected to a Lewis acid, such a 1-dimethylaluminum dienolates, undergo very rapid and selective Diets-Alder cycloadditions with various dienophiles. For these processes, a cooperativity between enthalpic (dienophile activation) and entropic (reactants pre-association) factors is thought to be responsible for the high reactivities and regio/stereo-selectivities observed. (C) 1997 Elsevier Science Ltd.

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页码：9637 / 9646

页数：10

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