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1′-Methyl-4′-(3,4,5-tri­methoxy­phenyl)­di­spiro­[indene-2,3′-pyrrolidine-2′,3′′-indole]-1,2′',3(1′′H)-trione

✍ Scribed by Seshadri, P. R. ;Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Sureshbabu, A. R. ;Parthasarathy, K. ;Raghunathan, R.

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

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📜 SIMILAR VOLUMES

1-Methyl-4′-(3-nitro­phenyl)-1H-indole-3
1-Methyl-4′-(3-nitro­phenyl)-1H-indole-3-spiro-2′-pyrrolidine-3′-spiro-2′′-indan-2,1′′,3′′-trione
✍ Seshadri, P. R. ;Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Sureshbabu, A. 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 237 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.003 A Ê R factor = 0.052 wR factor = 0.163 Data-to-parameter ratio = 15.5 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.