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Published:
Oct 14, 2015Keywords:
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Nano-Fe<sub>3</sub>O<sub>4</sub>/O<sub>2</sub>: Green, Magnetic and Reusable Catalytic System for the Synthesis of Benzimidazoles
Abstract
Magnetic nano-Fe3O4 was applied in the presence of atmospheric air as a green, efficient, heterogeneous and reusable catalytic system for the synthesis of benzimidazoles via the reactions of o-phenylenediamine (1 eq) with aryl aldehydes (1 eq) in excellentyields (85–97 %) and short reaction times (30–100 min) with a proposed mechanism.
Keywords: Benzimidazole, benzene-1,2-diamine, aldehyde, nano-Fe3O4, heterogeneous catalyst, magnetite, O2
