In the title compound, C23H19NO, the naphthalene ring system and the cyclopent-2-enone ring exhibit planar conformations with maximum deviations of 0.034 (1) and GENTLE CONDITIONER 0.02 (1) Å, respectively.The 1,4-dihydropyridine ring adopts an envelope conformation with the C atom bearing the p-tolyl ring All colour products as the flap atom.Intermolecular N—H.
O hydrogen bonds and C—H.π interactions stabilize the crystal packing.