Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 9 (September 2012)

organic compounds

Acta Cryst. (2012). E68, o2777    [ doi:10.1107/S1600536812034770 ]


Z. Zhang, X. Lü, S. Zhao and X. Liu

Abstract: The mol­ecule of the title compound, C27H22N4O, assumes a non-planar conformation in which the pyrazolone ring forms dihedral angles of 12.73 (11), 65.17 (6) and 49.82 (6)°, respectively, with the two benzene rings and the naphthalene ring system. In the crystal, pairs of mol­ecules are linked by inter­molecular N-H...N hydrogen bonds, forming dimers. The secondary amino group is involved in an intra­molecular N-H...O hydrogen bond.

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