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Acta Cryst. (2012). E68, o3315-o3316
[ doi:10.1107/S160053681204545X ]

5''-(4-Chlorobenzylidene)-1'-(4-chlorophenyl)-1''-methyl-1',2',3',5',6',7',8',8a'-octahydrodispiro[acenaphthylene-1,3'-indolizine-2',3''-piperidine]-2,4''(1H)-dione

J. Suresh, R. A. Nagalakshmi, R. R. Kumar, S. Sivakumar and P. L. N. Lakshman

Abstract: In the title compound, C37H32Cl2N2O2, the pyridinone ring adopts a twisted half-chair conformation. The fused pyrrolidine and piperidine rings of the octahydroindolizine unit exhibit envelope (with the C atom bound to the C atom bearing the chlorobenzene ring being the flap atom) and chair conformations, respectively. The dihedral angle between the chlorobenzene rings is 84.03 (1)°. In the crystal, C-H...[pi] interactions lead to supramolecular chains along [101] that assemble in the ac plane. Connections along the b axis are of the type Cl...Cl [3.4065 (8) Å].


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