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2,6-Diphenyl-4-(2-thien-yl)-1,4-dihydro-pyridine-3,5-dicarbonitrile.

ABSTRACT: The asymmetric unit of the title compound, C(23)H(15)N(3)S, contains two crystallographically independent mol-ecules. The pyridine rings adopt envelope conformations. The thio-phene rings are oriented at dihedral angles of 77.97?(4)/53.53?(4) and 78.44?(4)/57.11?(4)° with respect to the phenyl rings, while the dihedral angles between the phenyl rings are 48.51?(4) and 44.49?(4)°. In the crystal structure, inter-molecular N-H?N hydrogen bonds link the mol-ecules into chains along the c axis. The S, C and H atoms of one of the thio-phene rings are disordered over two orientations, with occupancy ratios of 0.314?(15):0.686?(15).

SUBMITTER: Zhu XT 

PROVIDER: S-EPMC2970109 | biostudies-literature | 2009 Aug

REPOSITORIES: biostudies-literature

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2,6-Diphenyl-4-(2-thien-yl)-1,4-dihydro-pyridine-3,5-dicarbonitrile.

Zhu Xiao-Tong XT   Zhang Ge G   Ma Ning N  

Acta crystallographica. Section E, Structure reports online 20090826 Pt 9

The asymmetric unit of the title compound, C(23)H(15)N(3)S, contains two crystallographically independent mol-ecules. The pyridine rings adopt envelope conformations. The thio-phene rings are oriented at dihedral angles of 77.97 (4)/53.53 (4) and 78.44 (4)/57.11 (4)° with respect to the phenyl rings, while the dihedral angles between the phenyl rings are 48.51 (4) and 44.49 (4)°. In the crystal structure, inter-molecular N-H⋯N hydrogen bonds link the mol-ecules into chains along the c axis. The  ...[more]

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