Abstract
First report on the abnormal dearylation/dealkylation reaction occurring during dehydrogenation in one‐pot, three‐component condensation of dihydropyrido[2,3‐d]pyrimidines.
Acknowledgment
A.A. thanks the Council of Scientific and Industrial Research (India) for the award of fellowship. We are also thankful to S.A.I.F., CDRI, Lucknow for providing spectroscopic data. CDRI Communication No. 6490.