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1-[(2S)-1-Chloro-3-phenyl-propan-2-yl]-2,4,5-triphenyl-1H-imidazole.

ABSTRACT: In the title compound, C(30)H(25)ClN(2), the chiral center maintains the S configuration of the stating l-phenyl-alaninol. The two phenyl groups closest to the substituted N atom adopt an almost perpendicular orientation relative to the central imidazole ring, with dihedral angles of 88.9 (4) and 84.7 (3)°. The third phenyl group is nearly coplanar with it, making a dihedral angle of 11.0 (5)°.

SUBMITTER: Xiao Y

PROVIDER: S-EPMC3344096 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Lophine (2,4,5-triphenyl-1H-imidazole).

Project description:The title compound, C(21)H(16)N(2), has been known since 1877. Although the crystal structure of 36 derivatives of lophine are known, the structure of parent compound has remained unknown until now. The three phenyl rings bonded to the imidazole core are not coplanar with the latter, with dihedral angles of 21.4?(3), 24.7?(3), and 39.0?(3)°, respectively, between the phenyl ring planes in the 2-, 4- and 5-positions of the imidazole ring. The mol-ecules are packed in layers running perpendicular to the b axis. Although there are acceptor and donor atoms for hydrogen bonds, no such inter-actions are detected in the crystal in contrast to other lophine derivatives.

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2,4,5-Triphenyl-1-(prop-2-en-1-yl)-1H-imidazole.

Project description:In the title compound, C24H20N2, one of the ring C atoms and one of the ring N atoms are disordered over two sets of sites in a 0.615?(3):0.385?(3) ratio. The two parts of the disordered imidazole ring adopt an envelope conformation, with the undisordered ring N atom as the flap, displaced by -0.118?(6) and 0.226?(7)?Å, respectively, in the two disorder components from the plane through the other ring atoms. The crystal structure features C-H?N hydrogen bonds and C-H?? inter-actions, which lead to the formation of infinite chains along [010].

| S-EPMC3685121 | biostudies-literature

2,4,5-Tris(pyridin-4-yl)-1H-imidazole monohydrate.

Project description:In the crystal structure of the title compound, C(18)H(13)N(5)·H(2)O, adjacent mol-ecules are linked by O-H?N and N-H?O hydrogen bonds, generating a chain propagating along [001].

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(S)-4,5-Diphenyl-1-[1-phenyl-3-(phenyl-sulfan-yl)propan-2-yl]-2-(thio-phen-2-yl)-1H-imidazole.

Project description:In the title compound, C34H28N2S2, the central imidazole ring (r.m.s. deviation = 0.0015?Å) forms dihedral angles of 55.7?(3), 17.94?(11) and 86.27?(11)°, respectively, with the mean planes of the attached thienyl and two phenyl substituents. The thienyl ring shows ring-flip disorder [occupancy ratio = 0.647?(2):0.353?(2)]. The chiral centre maintains the S configuration of the l-phenyl-alaninol starting material. Intra- and inter-molecular C-H?S hydrogen bonds involving the disordered thienyl ring are observed.

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2-(4-Chloro-phen-yl)-1-pentyl-4,5-di-phenyl-1H-imidazole.

Project description:In the title compound, C26H25ClN2, the phenyl rings and the 2-(4-chloro-phen-yl) group make dihedral angles of 30.03?(11), 67.49?(12) and 41.56?(11)°, respectively, with the imidazole ring. In the crystal, the mol-ecules inter-act with each other via very weak C-H?? contacts, forming layers parallel to (110).

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2-(4-Fluoro-phen-yl)-1,4,5-triphenyl-1H-imidazole.

Project description:In the title mol-ecule, C(27)H(19)FN(2), the imidazole ring is essentially planar [maximum deviation = 0.004?(1)?Å] and makes dihedral angles of 62.80?(6), 36.98?(6), 33.16?(6) and 46.24?(6)°, respectively, with the substituent rings in the 1-, 2-, 4- and 5-positions. No classical hydrogen bonds are observed in the crystal structure.

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2-(4-Chloro-phen-yl)-1-phenyl-1H-benz-imidazole.

Project description:In the title compound, C(19)H(13)ClN(2), the dihedral angle formed by the imidazole core with the chloro-phenyl and phenyl rings are 24.07?(4) and 67.24?(4)°, respectively.

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(E)-1-[2-(4-Chloro-2-nitro-styr-yl)-1-phenyl-sulfonyl-1H-indol-3-yl]propan-1-one.

Project description:In the title compound, C25H19ClN2O5S, the phenyl ring forms dihedral angles of 79.62?(12) and 80.02?(13)° with the indole ring system and the benzene ring, respectively. The nitro group is twisted at an angle of 22.39?(11)° with respect to the attached benzene ring. In the crystal, mol-ecules assemble into double layers in the ab plane via C-H?O inter-actions.

| S-EPMC4004433 | biostudies-literature

2,4,5-Tri-2-furyl-1H-imidazole.

Project description:In the crystal of the title compound, C(15)H(10)N(2)O(3), the molecules are linked together by inter-molecular N-H?N hydrogen bonds into chains along the c axis. The crystal structure also shows weak inter-molecular C-H?? hydrogen bonds. The three furanyl rings bonded to the imidazole core are not coplanar with the latter; the dihedral angles between the furanyl and imidazole ring planes are 29.3?(2), 19.4?(2), and 4.8?(2)°.

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N'-Phenyl-N'-[3-(2,4,5-triphenyl-2,5-di-hydro-1H-pyrazol-3-yl)quinoxalin-2-yl]benzohydrazide.

Project description: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 the two phenyl rings of the phenyl-benzohydrazide group is of 58.27?(9)°. The mean plane through the pyrazole ring is nearly perpendicular to the quinoxaline ring system and to the phenyl ring attached to the opposite side, forming dihedral angles of 82.58?(7) and 87.29?(9)°, respectively. An intra-molecular C-H?O hydrogen bond is present. In the crystal, mol-ecules are linked by pairs of N-H?N hydrogen bonds, forming inversion dimers, which are further connected by C-H?N hydrogen bonds into chains parallel to the b axis.

| S-EPMC3793807 | biostudies-other

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