title: 4-(4-Bromo-phen-yl)-4,5,6,7-tetra-hydro-3-methyl-6-oxo-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile ethanol solvate.
abstract: In the structure of the title compound, C(20)H(15)BrN(4)O·C(2)H(6)O, the hydrogenated pyridinone ring adopts an envelope conformation. The dihedral angle between the bromo-substituted phenyl ring and the pyrazole ring is 79.6 (1)°, and that between the non-substituted phenyl ring and the pyrazole ring is 51.2 (1)°. In the crystal structure, mol-ecules are linked via inter-molecular N-H⋯O and O-H⋯N hydrogen bonds. A short inter-molecular N⋯Br contact [3.213 (4) Å] is present in the crystal structure.
authors.affiliation: School of Chemistry and Environmental Sciences, Henan Key Laboratory for Environmental Pollution Control, Henan Normal University, Xinxiang, Henan 453007, People's Republic of China.
authors.forename: Xue-Sen
authors.initials: XS
authors.lastname: Fan
authors.forename: Xiao-Yan
authors.initials: XY
authors.lastname: Li
authors.forename: Xia
authors.initials: X
authors.lastname: Wang
authors.forename: Dong-Fang
authors.initials: DF
authors.lastname: Li
authors.forename: Xin-Ying
authors.initials: XY
authors.lastname: Zhang