CLAY CATALYSIS OF THE NONAQUEOUS DIELS-ALDER REACTION AND THE IMPORTANCE OF HUMIDITY CONTROL

被引：21
作者：
COLLET, C
LASZLO, P
机构：
[1] UNIV LIEGE,INST CHIM B6,CHIM FINE INTERFACES LAB,B-4000 LIEGE,BELGIUM
[2] ECOLE POLYTECH,F-91128 PALAISEAU,FRANCE
来源：
TETRAHEDRON LETTERS | 1991年 / 32卷 / 25期
关键词：
KAOLINITE; STEREOSELECTIVITY; KINETICS; REACTIVITY-SELECTIVITY;
D O I：
10.1016/0040-4039(91)80645-M
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Unmodified kaolin clays are a simple and viable alternative to ferric ion-exchanged montmorillonites as catalysts for the normal electron demand Diels-Alder reaction. Water is the enemy: at 1 - 2% levels, the stereoselectivity drops by a factor two or three.
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页码：2905 / 2908
页数：4
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