title: 11-(4-Methyl-phen-yl)-8,9-dihydro-7H-benzo[f]cyclo-penta-[b]quinolin-10(11H)-one.
abstract: In the title compound, C(23)H(19)NO, the naphthalene ring system and the cyclo-pent-2-enone ring exhibit planar conformations with maximum deviations of 0.034 (1) and 0.02 (1) Å, respectively. The 1,4-dihydro-pyridine ring adopts an envelope conformation with the C atom bearing the p-tolyl ring as the flap atom. Inter-molecular N-H⋯O hydrogen bonds and C-H⋯π inter-actions stabilize the crystal packing.
authors.affiliation: The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029,  People's Republic of China.
authors.forename: Cao
authors.initials: C
authors.lastname: Yang