Efficient, green and solvent-free synthesis of tetrasubstituted imidazoles using SbCl3/SiO2 as heterogeneous catalyst

被引：0

作者：

Safari J. ^{[1
]}

Gandomi-Ravandi S. ^{[1
]}

Naseh S. ^{[1
]}

机构：

[1] Department of Chemistry, College of Chemistry, University of Kashan, Kashan, 51167 Kashan

来源：

Journal of Chemical Sciences | 2013年 / 125卷 / 4期

关键词：

four-component reaction; heterogeneous catalyst; Imidazole; Lewis acid; solvent-free conditions;

D O I：

10.1007/s12039-013-0450-6

中图分类号：

学科分类号：

摘要：

Antimony trichloride absorbed on silica gel (SbCl3/SiO 2) efficiently catalyses the four-component cyclocondensation of 1,2-diketone, aldehyde, ammonium acetate, and primary amine under solvent-free conditions to afford the corresponding tetrasubstituted imidazoles in high yields. The main merit of this study is introducing a novel catalyst to successful synthesis of a wide range of 1,2,4,5-tetrasubstituted imidazoles for the first time. The proposed method involves features such as simplicity, generality, fairly good efficiency, and reusability of the catalyst. [Figure not available: see fulltext.] © 2013 Indian Academy of Sciences.

引用

页码：827 / 833

页数：6

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