期刊
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
卷 181, 期 1-2, 页码 207-213出版社
ELSEVIER
DOI: 10.1016/S1381-1169(01)00365-X
关键词
yttria-zirconia-based Lewis acids; carboxylic acids; acylation reaction; heterogeneous catalysis; chemoselectivity
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.
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