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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 37, 2007 - Issue 8
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Original Articles

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]
Pages 1375-1379 | Received 15 Sep 2006, Published online: 12 Apr 2007
 
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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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