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.