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(Biphenyl-4-yl)[2-(4-methyl-benzo-yl)phen-yl]methanone.

ABSTRACT: In the title compound, C(27)H(20)O(2), the central benzene ring makes dihedral angles of 64.86 (7) and 70.35 (7)° with the methyl-substituted ring and the biphenyl ring system, respectively. The crystal packing is stabilized by inter-molecular C-H⋯O inter-actions, which link the mol-ecules into chains parallel to the b axis.

SUBMITTER: Silambarasan V

PROVIDER: S-EPMC3238933 | biostudies-literature |

REPOSITORIES: biostudies-literature

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(11-Methyl-pyrido[2,3-b][1,4]benzo-diazepin-6-yl)(phen-yl)methanone.

Project description:In the title compound, C(20)H(15)N(3)O, the diazepine ring adopts a boat conformation. The dihedral angle between pyridine and benzene rings is 55.2 (1)°. The benzoyl phenyl ring forms dihedral angles of 49.4 (1) and 75.9 (1)°, respectively, with the pyridine and benzene rings. In the crystal, mol-ecules are linked into centrosymmetric dimers by pairs of C-H⋯N hydrogen bonds.

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{2-[(1H-Indol-3-yl-methyl-idene)amino]-4,5,6,7-tetra-hydro-benzo[b]thio-phen-3-yl}(phen-yl)methanone.

Project description:The title compound, C24H20N2OS, crystallizes with two independent mol-ecules (A and B) in the asymmetric unit, in each of which the cyclo-hexene rings adopt half-chair conformations. The mean plane of the indole ring is twisted from those of the phenyl and thio-phene rings by 69.0 (7) and 8.3 (5)°, respectively, in mol-ecule A and by 65.4 (9) and 6.7 (5)°, respectively, in mol-ecule B. The dihedral angles between the mean planes of the phenyl and thio-phene rings are 63.0 (4) and 58.8 (9)° in mol-ecules A and B, respectively. In the crystal, N-H⋯O hydrogen bonds lead to the formation of an infinite chain along [101]. In addition, π-π stacking inter-actions are observed involving the thio-phene and pyrrole rings of the two mol-ecules, with a shortest inter-centroid distance of 3.468 (2) Å.

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Project description:In the title compound, C(19)H(14)O, the dihedral angle between the two aromatic rings of the biphenyl residue is 8.0?(3)° and the dihedral angle between the two rings connected by the carbonyl C atom is 51.74?(18)°. There are no short C-H?O contacts in the crystal structure.

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[2-(3,4-Dimethyl-benzo-yl)phen-yl](4-meth-oxy-phen-yl)methanone.

Project description:The title mol-ecule, C23H20O3, is disordered with a 180° rotation about an axis normal to the length of the mol-ecule, with the major and minor components in a 0.545?(5):0.455?(5) ratio. In the major component, the central benzene ring forms dihedral angles of 72.34?(3) and 69.46?(3)° with the dimethyl-substituted and meth-oxy-substituted benzene rings, respectively. Moreover, the central benzene ring forms dihedral angles of 50.86?(5) and 58.43?(4)° with the mean planes of the ketone groups. In the minor component, the corresponding dihedral angles between the benzene rings are 71.36?(4) and 67.94?(4)° and the dihedral angles between the benzene ring and the ketone groups are 56.44?(9) and 55.51?(8)°. In the crystal, C-H?O inter-actions generate a C(9) chain along the a-axis direction.

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Project description:In the mol-ecule of the title compound, C15H14O2, the dihedral angle between the benzene and phenyl rings is 61.27?(8)°. In the crystal, O-H?O and weak C-H?O hydrogen bonds link the mol-ecules into chains extending along the c-axis direction.

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(4-Fluoro-phen-yl)(4-hy-droxy-3-methyl-phen-yl)methanone.

Project description:In the title compound, C14H11FO2, the two benzene rings are not coplanar, with a dihedral angle of 57.45?(12)° between their planes. In the crystal, mol-ecules are linked by an O-H?O hydrogen bond, forming a 21 helical chain along the b axis.

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Project description:In the title compound, C(16)H(15)BrO(2), the dihedral angle between the benzene rings is 68.5?(2)°. In the crystal structure, mol-ecules are linked by weak C-H?O hydrogen bonds into chains parallel to the b axis.

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(4-Fluoro-phen-yl)(2-hy-droxy-5-methyl-phen-yl)methanone.

Project description:In the title compound, C14H11FO2, the dihedral angles beteen the central C3O ketone residue and the fluoro- and hy-droxy-substituted benzene rings are 50.44 (9) and 12.63 (10)°, respectively. The planes of the benzene rings subtend a dihedral angle of 58.88 (9)° and an intra-molecular O-H⋯O hydrogen bond closes an S(6) ring. No directional inter-actions beyond van der Waals packing contacts were identified in the crystal structure.

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