2-Methyl-3-(2-methylphenyl)-7-nitroquinazolin-4(3H)-one
نویسندگان
چکیده
منابع مشابه
2-Methyl-3-(2-methylphenyl)-7-nitroquinazolin-4(3H)-one
In the title methaqua-lone analogue, C(16)H(13)N(3)O(3), the 2-tolyl group is almost orthogonal [dihedral angle = 85.20 (5)°] to the fused ring system (r.m.s. deviation of fitted non-H atoms = 0.029 Å). In the crystal, twofold symmetry generates two-mol-ecule aggregates linked by C-H⋯O and π-π inter-actions [ring centroid-centroid distance = 3.4967 (6) Å].
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In the title compound, C(12)H(14)O(4), the two acet-oxy groups are inclined by 57.92 (5)° and 62.71 (6)° to the benzene ring. An inter-molecular C-H⋯O inter-action involving the two acet-oxy groups generates a centrosymmetric dimer via an R(2) (2)(16) ring motif.
متن کامل1-[(2-Chloro-7-methyl-3-quinolyl)methyl]pyridin-2(1H)-one
In the title compound, C(16)H(13)ClN(2)O, the quinoline ring system is essentially planar, with a maximum deviation of 0.021 (2) Å. The pyridone ring is oriented at a dihedral angle of 85.93 (6)° with respect to the quinoline ring system. In the crystal structure, inter-molecular C-H⋯O hydrogen bonds link the mol-ecules along the b axis. Weak π-π stacking inter-actions [centroid-centroid distan...
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Two independent mol-ecules (A and B) comprise the asymmetric unit of the title compound, C21H18O4. There are significant conformational differences between the mol-ecules relating in particular to the relative orientation of the 3-oxo-2-(phenyl-methyl-idene)but-oxy substituent with respect to the superimposable chromen-2-one residues. To a first approximation, the substituents are mirror images...
متن کامل1-Methyl-3-phenylquinoxalin-2(1H)-one
The phenyl substituents in both independent mol-ecules of the title compound, C(15)H(12)N(2)O, are twisted with respect to the quinoxaline system [dihedral angles = 19.3 (1) and 30.4 (1)°].
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2012
ISSN: 1600-5368
DOI: 10.1107/s1600536812007350