期刊
CHINESE JOURNAL OF CHEMISTRY
卷 30, 期 3, 页码 703-708出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201280008
关键词
MCM-41-SO3H; nanocatalyst; highly substituted imidazoles; solvent-free condition; heterogeneous catalysis; nitrogen heterocycles
Nanosized MCM-41-SO3H based on ordered mesoporous silica material with a covalent sulfonic acid group was synthesized and used as acid catalyst for the new, simple, convenient and green synthesis of 2,4,5-trisubstituted and 1,2,4,5-tetra-substituted imidazoles. Also some of synthesis products are new. Echo-friendly 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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