The two pyrrolidine rings in the title compound, C~25~H~22~N~2~O~6~, adopt envelope conformations. Molecules are stabilized by intramolecular O—H...O hydrogen bonds, and linked into centrosymmetric dimers by intermolecular N—H...O hydrogen bonds.
Ethyl 2,2′′-dioxo-2′,3′,5′,6′,7′,7a′-hexahydroacenaphthene-1-spiro-3′-1′H-pyrrolizine-2′spiro-1′′-acenaphthene-1-carboxylate
✍ Scribed by Usha, G. ;Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Durga, R. Rathna ;Raghunathan, R.
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 221 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
The pyrrolidine ring of the title compound, C 30 H 24 N 2 O 5 , adopts a half-chair conformation. The structure is stabilized by CÐHÁ Á ÁO intramolecular interactions and the packing of the molecules is stabilized by CÐHÁ Á ÁO and NÐHÁ Á ÁO intermolecular interactions.
The title compound, C 28 H 22 ClNO 3 , has two crystallographically independent molecules in the asymmetric unit. The pyrrolidine ring (A) of the pyrrolizine system adopts an envelope conformation in both molecules, whereas the other five-membered ring (B) adopts an envelope conformation in one mole