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4-(4-Bromophenyl)-8-methyl-2-oxo-1,2,3,4,4a,5,6,7-octahydroquinoline-3-carbonitrile

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Author(s): Abdullah M. Asiri | Hassan M. Faidallah | Seik Weng Ng | Edward R. T. Tiekink

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 68;
Issue: 8;
Start page: o2376;
Date: 2012;
Original page

ABSTRACT
In the title compound, C17H17BrN2O, the N-containing ring adopts an envelope conformation with the C atom carrying the phenyl ring displaced by −0.531 (9) Å from the plane defined by the remaining five atoms (r.m.s. deviation = 0.0099 Å). The benzene ring is almost orthogonal to the ring to which it is attached, the CCN—C—CPh—CPh torsion angle being −101.3 (7)°. The cyclohexene ring is disordered over two conformations in a statistical ratio. The most prominent interactions in the crystal are pairs of N—H...O hydrogen bonds between inversion-related molecules. The resulting dimers are linked into a three-dimensional architecture by C—H...N, C—H...Br and C—H...π interactions.
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