Abstract
A variety of aldehydes react with methyl/ethyl diazoacetate in the presence of yttria‐zirconia based catalyst to afford the corresponding β‐keto esters in excellent yields.
Acknowledgements
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. 6653.