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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 31, 2001 - Issue 6
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Original Articles

A SIMPLE METHOD FOR THE PREPARATION OF N-SULFONYLIMINES BY DIRECT CONDENSATION OF p-TOLUENESULFONAMIDE WITH DIARYL KETONES

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Pages 841-846 | Received 03 Apr 2000, Published online: 09 Nov 2006
 

Abstract

Diaryl ketones condense with p-toluenesulfonamide in refluxing 1,2-dichloroethane in the presence of TiCl4/Ti(O-iPr)4 or TiCl4/Et3N to give N-sulfonylimines in generally good yields.

ACKNOWLEDGMENTS

The authors are thankful to DST and CSIR—New Delhi for financial assistance.

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