N′-(3-Methylquinoxalin-2-yl)-N′-phenylbenzohydrazide

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N′-(3-Methyl­quinoxalin-2-yl)-N′-phenyl­benzohydrazide

In the crystal structure of the title compound, C(22)H(18)N(4)O, the quinoxaline system makes dihedral angles of 86.59 (7) and 63.37 (9)° with the benzohydrazide and phenyl rings, respectively. The benzohydrazide ring makes a dihedral angle of 72.46 (10)° with the phenyl ring. The crystal structure is stabilized by inter-molecular N-H⋯O hydrogen bonds, C-H⋯O contacts and C-H⋯π inter-actions.

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In the title compound, C18H18ClNO4, the imide group with its two alkyl substituents is approximately perpendicular to the plane of the naphtho-quinone ring system [dihedral angle = 78.5 (1)°]. Further, the imide carbonyl groups are oriented in an anti sense. In the crystal, the substituted naphtho-quinone rings form π-π stacks in the a-axis direction [perpendicular centroid-centroid distance = ...

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The mol-ecule of the title compound, C42H32N6O, is built up from one pyrazole ring linked to three phenyl rings and to an approximately planar [maximum deviation = 0.0455 (15) Å] quinoxaline system connected to a phenyl-benzohydrazide group. The pyrazole ring assumes an envelope conformation, the C atom attached to the quinoxalin-3-yl ring system being the flap atom. The dihedral angle between ...

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N-(Benzothia­zol-2-yl)-3-chloro­benzamide

The title mol-ecule, C(14)H(9)ClN(2)OS, exists in the solid state in its amide form with a typical C=O bond length, as well as shortened C-N bonds. The plane containing the HNCO atoms subtends dihedral angles of 12.3 (4) and 8.1 (3)° with the planes of the phenyl ring and benzothia-zole group, respectively, whereas the dihedral angle between the planes of the phenyl ring and the benzothia-zole ...

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ژورنال

عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online

سال: 2011

ISSN: 1600-5368

DOI: 10.1107/s160053681101703x