✦ LIBER ✦

6′′-Methoxy-1′-methyl-4′-phenylacenaphthene-1-spiro-2′-pyrrolidine-3′-spiro-3′′-chroman-2,4′′-dione

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

Publisher: International Union of Crystallography
Year: 2007
Tongue: English
Weight: 549 KB
Volume: 63
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536807051264

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✦ Synopsis

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.

📜 SIMILAR VOLUMES

1′-Methyl-4′-phenylacenaphthene-1-spiro-

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

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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.

5′′-(4-Chlorobenzylidene)-4′-(4-chloroph

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✍ Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Jayashankaran, J. ;Raghunathan, 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 236 KB

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.

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4 0 0 0 -(4-Methoxyphenyl)-1 0 0 0 -methyl-9H-fluorene-9-spiro-3 0 0 0 -pyrrolidine-2 0 0 0 -spiro-2 0 0 00 0 0 -indan-1 0 0 00 0 0 ,3 0 0

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4′-(4-Methoxybenzoyl)-1′-methyl acenaphthene-1-spiro-2′-pyrrolidine-3′-spiro-3′′-1H-indole-2,2′′(1H,3′′H)-dione hemihydrate

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