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1′-Methyl-2′′-phenyl­cyclo­hexane-1-spiro-4′-[acenaphthene-1-spiro-2′-pyrrolidine-3′-spiro-4′′(5′′H)-[1,3]­oxazole]-2,5′′-dione

✍ Scribed by Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Jayashankaran, J. ;Durga, R. Rathna ;Raghunathan, R.

Publisher
International Union of Crystallography
Year
2004
Tongue
English
Weight
259 KB
Volume
60
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C 29 H 26 N 2 O 3 , the pyrrolidine ring adopts an envelope conformation and the cyclohexane ring adopts a chair conformation. The structure is stabilized by intramolecular CÐHÁ Á ÁO and %±% interactions.

📜 SIMILAR VOLUMES

3-Benzyl­idene-1′-methyl-4′-phenyl­cyclo
3-Benzyl­idene-1′-methyl-4′-phenyl­cyclo­hexane­spiro-3′-pyrrolidine-2′-spiro-3′′-indoline-2,2′′-dione
✍ Jeyabharathi, A. ;Ponnuswamy, M. N. ;Amal Raj, A. ;Raghunathan, R. ;Razak, Ibrah 📂 Article 📅 2001 🏛 International Union of Crystallography 🌐 English ⚖ 288 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.005 A Ê R factor = 0.057 wR factor = 0.141 Data-to-parameter ratio = 13.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

1′-Methyl-4′-phenyl­acenaphthene-1-spiro
1′-Methyl-4′-phenyl­acenaphthene-1-spiro-2′-pyrrolidine-3′-spiro-2′'-indan-2,1′′,3′′-trione
✍ Govind, M. M. ;Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Sureshbabu, A. R 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 328 KB

In the title compound, C 30 H 21 NO 3 , the pyrrolidine ring adopts a twist conformation. The dihedral angle between the indan moiety and the phenyl ring is 75.4 (1) . The structure is stabilized by intramolecular CÐHÁ Á ÁO interactions.

4′-(p-Methoxy­phenyl)-1′-methyl-1H-indol
4′-(p-Methoxy­phenyl)-1′-methyl-1H-indole-3-spiro-2′-pyrrolidine-3′-spiro-1′′-cyclo­pentane-2(3H),2′′-dione
✍ Govind, M. M. ;Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Sridhar, Gowri ; 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 368 KB

The indole moiety of the title compound, C 23 H 24 N 2 O 3 , is planar; but the pyrrolidine ring adopts an envelope conformation. The conformation is stabilized by intramolecular CÐ HÁ Á ÁO interactions and the packing of the molecules is stabilized by strong NÐHÁ Á ÁN hydrogen bonds.

1′-Benzyl-3-(2,6-di­chloro­phenyl)-1′′-m
1′-Benzyl-3-(2,6-di­chloro­phenyl)-1′′-methyl-4,4′′-di­phenyl­oxazole-5(4H)-spiro-3′-piperidine-5′-spiro-3′′-pyrrolidine-2′′-spiro-3′′′-1H-indole-2′′′(3′′′H),4′-dione benzene hemisolvate
✍ Li, Xiao-Fang ;Feng, Ya-Qing ;Hu, Xiao-Fen ;Xu, Mian 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 170 KB

In the title compound, C 43 H 36 Cl 2 N 4 O 3 Á0.5C 6 H 6 , there exists a trispiro ring system, which consists of a planar 2-oxindole ring, an envelope pyrrolidine ring, an envelope isoxazoline ring and a boat-shaped piperidone ring. The crystal structure is stabilized by NÐHÁ Á ÁN intermolecular i