Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 2 (February 2013)


organic compounds



hb7027 scheme

Acta Cryst. (2013). E69, o266    [ doi:10.1107/S1600536813001591 ]

4'-Cyanobiphenyl-4-yl 7-diethylamino-2-oxo-2H-chromene-3-carboxylate

S. Sreenivasa, H. T. Srinivasa, B. S. Palakshamurthy, V. Kumar and H. C. Devarajegowda

Abstract: In the title compound, C27H22N2O4, the dihedral angles between the central benzene ring and the cyanobenzene 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 diethylamino group lie to the same side of the coumarin ring system [deviations = 1.366 (2) and 1.266 (2) Å]. In the crystal, molecules are linked by C-H...O and C-H...N hydrogen bonds and a C-H...[pi] interaction, generating a three-dimensional network.


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