Abstract
Hantzsch 1,4-dihydropyridines are synthesized in high yields by a one-pot cyclocondensation of aldehyde, β-ketoester, and urea on the surface of silica gel under microwave irradiation in solvent-free conditions.
ACKNOWLEDGMENT
BVS and PTK thank CSIR, New Delhi, for the award of fellowship.
Notes
*IICT Communication No. 4425.