Synthesis of 2-arylbenzimidazoles catalyzed by transition metal nitrates

Synthesis of 2-arylbenzimidazoles catalyzed by transition metal nitrates A simple and practical procedure for synthesis of 2-arylbenzimidazoles by a one-pot condensation of o-phenylenediamine with aromatic aldehydes in the presence of a catalytic amount of M(NO3)2·6H2O (M = Mn, Fe, Co, Ni, Cu) in ethanol at room temperature is described. Major advantages of this practical procedure are use of a readily available catalyst, high yields, short reaction times, and simplicity of the reaction and workup. Research on Chemical Intermediates Springer Journals

Synthesis of 2-arylbenzimidazoles catalyzed by transition metal nitrates

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Springer Netherlands
Copyright © 2012 by Springer Science+Business Media Dordrecht
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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