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International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 6(68), p. o1934-o1935, 2012

DOI: 10.1107/s1600536812023021

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2-Amino-4-(4-fluorophenyl)-6-methoxy-4 H -benzo[ h ]chromene-3-carbonitrile

Journal article published in 2012 by Al-Anood M. Al-Dies, Abdel-Galil E. Amr, Ahmed M. El-Agrody, Tze Shyang Chia, Hoong-Kun Fun ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In the title molecule, C21H15FN2O2, the dihedral angle between the fluoro-substituted benzene ring and the mean plane of the 4H-benzo[h]chromene ring system [maximum deviation = 0.109 (2) Å] is 83.35 (7)°. The pyran ring adopts a slight sofa conformation with the tertiary C(H) atom forming the flap. The methoxy group is slightly twisted from the attached benzene ring of the 4H-benzo[h]chromene moiety [C—O—C—C = −4.3 (3)°]. In the crystal, molecules are linked by intermolecular N—H...N hydrogen bonds into infinite wave-like chains along the b axis. The crystal packing is further stabilized by π–π interactions [centroid–centroid distance = 3.7713 (9) Å].