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2-Eth-oxy-4-(4-methyl-phen-yl)-6-phenyl-pyridine-3-carbonitrile.

ABSTRACT: The title compound, C(21)H(18)N(2)O, crystallized with two independent mol-ecules (A and B) in the asymmetric unit. In mol-ecule A, the central pyridine ring forms dihedral angles of 14.55 (13) and 39.14 (12)° with the terminal phenyl and benzene rings, respectively. The latter rings make a dihedral angle of 33.06 (13)° with each other. The corresponding values for mol-ecule B are 26.86 (13), 41.82 (12) and 38.99 (13)°, respectively. In the crystal, the B mol-ecules are linked via a pair of weak C-H⋯N hydrogen bonds, forming inversion dimers. In addition, C-H⋯π inter-actions and π-π [centroid-centroid distances = 3.5056 (16) and 3.8569 (17) Å] stacking inter-actions are observed.

SUBMITTER: Mohamed SK

PROVIDER: S-EPMC3414949 | biostudies-literature |

REPOSITORIES: biostudies-literature

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(5-Bromo-2-methyl-phen-yl)(4-eth-oxy-phen-yl)methanone.

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Project description:In the title mol-ecule, C27H31N3, the imine C=N groups are orientated anti to the pyridine N atom, with N-C-C-N torsion angles of -164.91 (11) and -170.53 (10)°. In the crystal, mol-ecules are connected by weak C-H⋯N and C-H⋯π inter-actions parallel to the b axis.

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Project description:In the title compound, C(15)H(17)NO(3)S, the two aromatic rings make a dihedral angle of 69.42?(9)° with each other and the bridging C-N-S-C torsion angle is 65.76?(16)°. Weak intra-molecular C-H?O inter-actions may affect the mol-ecular conformation. Two neighbouring mol-ecules generate a hydrogen-bonded dimer about a center of inversion through a pair of inter-molecular N-H?O inter-actions, forming an R(2) (2)(8) ring motif. Furthermore, two inter-molecular C-H?? inter-actions contribute to the stability of the crystal packing.

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