Acta Cryst. (2006). E62, o52-o54  [ doi:10.1107/S1600536805039565 ]

4'-(4-Methylbenzoyl)-1'-methyldispiro[indole-3(2H),2'-pyrrolidine-3',3''(2''H)-indole]-2,2''-dione

K. Palani, M. N. Ponnuswamy, A. R. Suresh Babu, R. Raghunathan and K. Ravikumar

Abstract: In the title compound, C₂₇H₂₃N₃O₃, the central pyrrolidine ring adopts an envelope conformation. In the crystal structure, the molecules exist as centrosymmetric N-HO hydrogen-bonded dimers. The dimers are linked via C-HO and C-H hydrogen bonds, forming a chain along the b axis.

Online 7 December 2005

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