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Acta Cryst. (2014). E70, o70-o71  [ doi:10.1107/S1600536813033771 ]

5-Chloro-5''-[4-(di­methyl­amino)­benzyl­idene]-4'-[4-(di­methyl­amino)­phen­yl]-1',1''-di­methyl­dispiro­[indoline-3,2'-pyrrolidine-3',3''-piperidine]-2,4''-dione

I. S. A. Farag, A. S. Girgis, A. A. Ramadan, A. M. Moustafa and E. R. T. Tiekink

Abstract: The title compound, C34H38ClN5O2, has spiro links connecting the pyrrolidine ring and indole residue, as well as the piperidine and pyrrolidine rings. A half-chair conformation is found for the piperidine ring with the C atom connected to the spiro-C atom lying 0.738 (4) Å out of the plane of the remaining five atoms (r.m.s. deviation = 0.0407 Å). The methyl­ene C atom is the flap in the envelope conformation for the pyrrolidine ring. In the crystal, supra­molecular chains are sustained by alternating eight-membered {...HNCO}2 and 14-membered {...HC5O}2 synthons. Chains are connected into a three-dimensional network by (pyrrolidine-bound phenyl-meth­yl)C-H...[pi](pyrrolidine-bound phen­yl) edge-to-face inter­actions.


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