title: 4'-Cyano-biphenyl-4-yl 7-diethyl-amino-2-oxo-2H-chromene-3-carboxyl-ate.
abstract: In the title compound, C(27)H(22)N(2)O(4), the dihedral angles between the central benzene ring and the cyano-benzene ring and the 2H-coumarin ring system (r.m.s. deviation = 0.014 Å) are 22.95 (11) and 75.59 (8)°, respectively. Both terminal C atoms of the pendant diethyl-amino group lie to the same side of the coumarin ring system [deviations = 1.366 (2) and 1.266 (2) Å]. In the crystal, mol-ecules are linked by C-H⋯O and C-H⋯N hydrogen bonds and a C-H⋯π inter-action, generating a three-dimensional network.
authors: Deapartment of Studies and Research in Chemistry, Tumkur University, Tumkur 572 103, Karnataka,  India.
authors: S
authors: S
authors: Sreenivasa
authors: H T
authors: HT
authors: Srinivasa
authors: B S
authors: BS
authors: Palakshamurthy
authors: Vijith
authors: V
authors: Kumar
authors: H C
authors: HC
authors: Devarajegowda