One‐Pot Synthesis of Benzimidazoles from o‐Nitroanilines under Microwaves via a Reductive Cyclization

Mandar P. Surpur Organic Chemistry Research Laboratory, University Institute of Chemical Technology, Matunga, Mumbai, India

Pankajkumar R. Singh Organic Chemistry Research Laboratory, University Institute of Chemical Technology, Matunga, Mumbai, India

Sachin B. Patil Organic Chemistry Research Laboratory, University Institute of Chemical Technology, Matunga, Mumbai, India

Shriniwas D. Samant Organic Chemistry Research Laboratory, University Institute of Chemical Technology, Matunga, Mumbai, IndiaCorrespondence[email protected]

Abstract

An efficient microwave irradiation synthesis of 2‐substituted benzimidazoles in one step via the Na₂S₂O₄ reduction of o‐nitroanilines in the presence of aldehydes is described. The method is simple and a good option to obtain the title compounds in a very short time.

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One‐Pot Synthesis of Benzimidazoles from o‐Nitroanilines under Microwaves via a Reductive Cyclization

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One‐Pot Synthesis of Benzimidazoles from o‐Nitroanilines under Microwaves via a Reductive Cyclization

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