Crystal structure of 3-amino-1-(4-meth-oxy-phen-yl)-1H-benzo[f]chromene-2-carbo-nitrile
Shaaban K Mohamed1, Peter N Horton2, Mehmet Akkurt3
1Chemistry and Environmental Division, Manchester Metropolitan University, Manchester M1 5GD, England ; Chemistry Department, Faculty of Science, Minia University, 61519 El-Minia, Egypt.
Abstract:
In the title compound, C21H16N2O2, the meth-oxy-benzene ring is almost perpendicular to the mean plane of the naphthalene ring system, making a dihedral angle of 83.62 (5)°. The 4H-pyran ring fused with the naphthalene ring system is almost planar [maximum deviation = 0.033 (1) Å]. In the crystal, mol-ecules are linked into inversion dimers by pairs of N-H⋯N hydrogen bonds. N-H⋯O hydrogen bonds connect the dimers, forming a helical supra-molecular chain along the a-axis direction. The crystal packing also features C-H⋯π inter-actions.
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