期刊
HETEROCYCLIC COMMUNICATIONS
卷 18, 期 1, 页码 33-37出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/hc-2011-0056
关键词
benzimidazoles; MCM-41-SO3H; silica
Nanosized MCM-41-SO3H material based on ordered mesoporous silica gel with covalently attached sulfonic acid groups was synthesized and used as acid catalyst for green synthesis of 2-substituted benzimidazole derivatives. Echofriendly protocol, short reaction times, easy and quick isolation of the products, and excellent yields are the main advantages of this procedure.
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