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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 41, 2011 - Issue 17
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Original Articles

Facile Method for the Conversion of Semicarbazones/Thiosemicarbazones into Azines (Under Microwave Irradiation) and Oxadiazoles (by Grinding)

Gautam Chattopadhyay Postgraduate Department of Chemistry, Presidency College, Kolkata, IndiaCorrespondence[email protected]
&
Partha Sinha Ray Postgraduate Department of Chemistry, Presidency College, Kolkata, India
Pages 2607-2614 | Received 21 Apr 2010, Published online: 29 Jun 2011
 
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Abstract

In an effective transformation, semicarbazones/thiosemicarbazones are smoothly converted into azines under microwave irradition. Oxadiazoles are also obtained from semicarbazones by reaction with bromine generated in situ via a grinding reaction in the solid phase.

ACKNOWLEDGMENT

We are thankful to the Council of Scientific and Industrial Research, New Delhi, India, for providing a junior research fellowship to one of the authors (P.S.R).

Notes

a Yields (isolated) correspond to the products obtained from semicarbazones.

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