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1N-Methyl-spiro­[2-3′]­indan-1,3-dione-spiro­[3-3′′]-5′′-benzyl­idene-N-methyl-piperidinone-4-phenyl­pyrrolidine

✍ Scribed by Govind, M. M. ;Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Sridhar, Gowri ;Raghunathan, R.

Publisher
International Union of Crystallography
Year
2003
Tongue
English
Weight
216 KB
Volume
59
Category
Article
ISSN
1600-5368

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✦ Synopsis

The conformation of the pyrrolidine ring of the title compound, C 31 H 28 N 2 O 3 , lies between half-chair and envelope. The dihedral angle between the fused rings is 3.4 (1) .

📜 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.

1′-Methyl-4′-phenyl­indan-2-spiro-2′-pyr
1′-Methyl-4′-phenyl­indan-2-spiro-2′-pyrrolidine-3′-spiro-1′′-cyclo­octane-1,3,2′′-trione
✍ Selvanayagam, S. ;Devi, M. N. ;Velmurugan, D. ;Ravikumar, K. ;Poornachandran, M. 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 170 KB

In the title compound, C 26 H 27 NO 3 , the pyrrolidine ring adopts an envelope conformation. The indanedione group is planar, the dihedral angle between the fused five-and six-membered rings of this group being 1.1 (2) . There are intramolecular C-HÁ Á ÁO and C-HÁ Á Á interactions.