Abstract
A variety of amines react with chloroformates in the presence of catalytic amount of yttria-zirconia based catalyst to afford the corresponding carbamates in excellent yields.
Acknowledgments
RKP thanks CSIR, New Delhi for award of senior research fellowship. We are grateful to Dr. M. K. Gurjar, Head, Organic Chemistry: Technology Division for his constant encouragement and support. This is NCL Communication No. 6647.