Kaolin-SO3H as an efficient catalyst for one- pot synthesis of 1,2,4,5-tetrasubstituted imidazoles

被引：0
|
作者：
Mirjalili, Bibi Fatemeh [1 ]
Akrami, Hamidreza [1 ]
机构：
[1] Yazd Univ, Dept Chem, Coll Sci, POB 89195-741, Yazd, Iran
来源：
IRANIAN JOURNAL OF CATALYSIS | 2015年 / 5卷 / 02期
关键词：
1,2,4,5-tetrasubstituted imidazoles; Kaolin-SO3H; Benzil; One-pot synthesis; Solvent-free conditions;
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Kaolin-SO3H as a new solid acid is prepared via reaction of kaolin and chlorosulfonic acid. This natural based catalyst is very inexpensive and easy available. A simple, highly versatile and efficient synthesis of 1,2,4,5-tetrasubstituted imidazoles is achieved using Kaolin-SO3H as a catalyst at moderate temperature under solvent-free condition. The key advantages of this process are high yields with simple work-up using easy available inexpensive natural based catalyst.
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页码：129 / 134
页数：6
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