Applications of microwave technology to rapid synthesis of substituted imidazoles on silica-supported SbCl3 as an efficient heterogeneous catalyst

被引：32

作者：

Safari, Javad ^{[1
]}

Naseh, Simin ^{[1
]}

Zarnegar, Zohre ^{[1
]}

Akbari, Zahra ^{[1
]}

机构：

[1] Univ Kashan, Coll Chem, Dept Organ Chem, Lab Organ Compound Res, POB 87317-51167, Kashan, Iran

来源：

JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE | 2014年 / 8卷 / 04期

关键词：

SbCl3/SiO2; Lewis acid; Heterogeneous catalyst; Imidazoles; Microwave irradiation; Solvent-free condition;

D O I：

10.1016/j.jtusci.2014.01.007

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

One pot cyclo-condensation of benzil, aldehydes, ammonium acetate and primary amines were used to synthesize 2,4,5 trisubstituted and 1,2,4,5-tetrasubstituted-1H-imidazole derivatives under microwave irradiation with silica-supported SbCl3(SbCl3/SiO2) as a heterogeneous catalyst. The operational simplicity, practicability and applicability of this protocol to various substrates make it an interesting alternative to previous procedures. From the environmental stand-point, this eco-friendly, green catalyst is stable, highly active, easy to prepare and handle. (C) 2014 Taibah University. Production and hosting by Elsevier B.V. All rights reserved.

引用

页码：323 / 330

页数：8

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