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1′-Methyl-4′-phenylacenaphthene-1-spiro-2′-pyrrolidine-3′-spiro-3′′-benzo[g]chroman-2,4′′-dione

✍ Scribed by Augustine, T. ;Ramkumar, V. ;Kanakam, Charles C.

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
467 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the crystal structure of the title compound, C 34 H 25 NO 3 , the dihydropyrone ring is in a half-chair conformation and the five-membered heterocyclic ring is in an envelope conformation.

📜 SIMILAR VOLUMES

6′′-Methoxy-1′-methyl-4′-phenylacenaphth
6′′-Methoxy-1′-methyl-4′-phenylacenaphthene-1-spiro-2′-pyrrolidine-3′-spiro-3′′-chroman-2,4′′-dione
✍ Augustine, T. ;Ramkumar, V. ;Arul Antony, S. ;Kanakam, Charles. C. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 549 KB

In the crystal structure of the title compound, C~31~H~25~NO~4~, the five-membered heterocyclic ring is in an envelope conformation and the dihydropyrone ring is in a half-chair conformation.

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.