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E-Journal of Chemistry
Volume 9 (2012), Issue 3, Pages 1145-1152
http://dx.doi.org/10.1155/2012/615891

InCl3-Catalyzed [2+3] Cycloaddition Reaction: A Rapid Synthesis of 5-Substituted 1H-tetrazole under Microwave Irradiation

1Department of Organic Chemistry, North Maharashtra University, Umavinagar, India
2School of Chemical Sciences, North Maharashtra University, Jalgaon, India

Received 22 November 2011; Accepted 18 January 2012

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A series of 5-substituted 1H-tetrazole were efficiently prepared by InCl3 catalyzed (10 mol %) from structurally divert organic nitriles with sodium azide under the influence of microwave irradiation. The present protocol was successfully applied to the aliphatic, aryl, benzylic and heterocyclic nitriles and corresponding 5-substituted 1H-tetrazole were obtained in good to excellent yield (70-96%). This method gives remarkable advantages such as short reaction time, simple work-up procedure and economical beneficial.