Acylation of alcohols, thiols and amines with carboxylic acids catalyzed by yttria-zirconia-based Lewis acid

被引:61
|
作者
Kumar, P [1 ]
Pandey, RK
Bodas, MS
Dagade, SP
Dongare, MK
Ramaswamy, AV
机构
[1] Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
[2] Natl Chem Lab, Catalysis Div, Pune 411008, Maharashtra, India
关键词
yttria-zirconia-based Lewis acids; carboxylic acids; acylation reaction; heterogeneous catalysis; chemoselectivity;
D O I
10.1016/S1381-1169(01)00365-X
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A simple and efficient method has been developed for the acylation of alcohols, amines and thiols using yttria-zirconia-based Lewis acid as catalyst and carboxylic acids as acylating agent. The reaction was found to be chemoselective for the amino alcohol, 2-mercapto ethanol and 1,2-diol. Thus, using this method, acylation of an amino group in the presence of OH group, of OH group in the presence of SH, and of a primary 014 group in the presence of secondary OH group has been achieved with excellent selectivity. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:207 / 213
页数:7
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