Supported chiral amino alcohols and diols functionalized with aluminium and titanium as catalysts of Diels-Alder reaction.

被引：54

作者：

Fraile, JM

Mayoral, JA

Royo, AJ

Salvador, RV

Altava, B

Luis, SV

Burguete, MI

机构：

[1] UNIV ZARAGOZA,CSIC,INST CIENCIA MAT ARAGON,DEPT QUIM ORGAN & QUIM FIS,E-50009 ZARAGOZA,SPAIN

[2] UNIV JAUME 1,ESTCE,DEPT CIENCIAS EXPTL,LAB QUIM INORGAN & QUIM ORGAN,E-12080 CASTELLO DE PLANA,SPAIN

来源：

TETRAHEDRON | 1996年 / 52卷 / 29期

关键词：

D O I：

10.1016/0040-4020(96)00517-0

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Several chiral amino alcohols are supported on chloromethylated polystyrene-divinylbenzene and treated with AlEtCl(2). The supported catalysts are far more active than the corresponding homogeneous which is explained by site isolation. The catalyst derived from (S)-prolinol leads to a 14% e.e. Tartaric acid supported on polystyrene-divinylbenzene by means of two ester linkages is treated with aluminium and titanium derivatives. The aluminium catalyst yields a 13% e.e. and the titanium one can be recovered and reused. The different behaviour of homogeneous and heterogeneous systems is discussed. Copyright (C) 1996 Elsevier Science Ltd

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收藏

页码：9853 / 9862

页数：10

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