Silica supported heteropolyacid catalyzed dehydration of aldoximes to nitriles and alcohols to alkenes

被引：17
|
作者：
Parghi, Kalpesh D. [1 ]
Satam, Jitendra R. [1 ]
Jayaram, Radha V. [1 ]
机构：
[1] Inst Chem Technol, Dept Chem, Bombay 400019, Maharashtra, India
来源：
GREEN CHEMISTRY LETTERS AND REVIEWS | 2011年 / 4卷 / 02期
关键词：
heteropolyacids; heterogeneous; silica supported; nitriles; alkenes; ONE-POT SYNTHESIS; HETEROGENEOUS CATALYST; REUSABLE CATALYST; ARYL BROMIDES; EFFICIENT; CYANATION; ACID; MICROWAVE; H3PW12O40; DERIVATIVES;
D O I：
10.1080/17518253.2010.523015
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An expedient method of silica supported heteropolyacid (HPA) catalyzed liquid phase dehydration of aldoxime to nitrile and secondary alcohols to alkenes were developed. Supported HPA was prepared by wet impregnation method and characterized by various analytical techniques such as X-ray diffraction, FT-IR, and NH(3)-TPD analysis. HPW-SiO(2) was found to be the most efficient catalyst amongst the prepared HPA and was found to be reusable for dehydration reaction under mild operating conditions giving high yields of the desired products.
引用
收藏
页码：143 / 149
页数：7
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