A green and efficient method for synthesis of benzimidazoles using nano‐Fe3O4 in PEG‐400/H2O aqueous system under ambient conditions at room temperature
In this paper, a green and facile protocol was described which was efficient for synthesis of benzimidazoles using nano‐Fe3O4 catalyst with continuous bubbling of air as the oxidant in PEG‐400/H2O aqueous system at room temperature. This protocol afforded the target products in good to excellent yields and the catalytic system could be recycled and reused without significant loss of
catalytic activity. Copyright © 2014 John Wiley & Sons, Ltd.
An efficient and environmentally friendly protocol for synthesis of benzimidazoles was described which afforded the target products in good to excellent yield and the nano‐catalyst and PEG‐400/H2O system could be recycled and reused.
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