Acta Cryst. (2005). E61, o3299-o3301  [ doi:10.1107/S1600536805028990 ]

2'-(2-Chlorophenyl)-1'-nitro-2',3',4',5',6',7'-hexahydro-1H-indole-3-spiro-3'-1'H-pyrrolizin-2(3H)-one

G. Usha, S. Selvanayagam, D. Velmurugan, K. Ravikumar and R. Raghunathan

Abstract: The structure of the title cycloadduct, C₂₀H₁₈N₃O₃Cl, has been determined. The inversion-related molecules are held together by N-HO hydrogen bonds, forming R²₂(8) rings. The overall conformation of the pyrrolizidine nucleus is folded about the bridging bond.

Online 17 September 2005

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