期刊
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
卷 210, 期 1-2, 页码 119-124出版社
ELSEVIER
DOI: 10.1016/j.molcata.2003.09.006
关键词
sonication; microwave irradiation; preparation of ZrO2 -pillared clay catalyst; mono-acylation; 1,n-diols; solventless conditions
We herein report for the first time, a new and efficient method using ultrasonic activation for intercalation by ion exchange and microwave heating for formation of zirconium polyoxycationic species in the preparation of ZrO2-pillared clay composite with improved physico-chemical properties and significant reduction in processing time. Acetic anhydride under solventless conditions with microwave irradiation in the presence of ZrO2-pillared clay was used for the mono-acylation of diols and alcohols in very good yield. (C) 2003 Elsevier B.V. All rights reserved.
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