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Structure of bornane-2-spiro-2'-(6'-methyl)-1',3',-dithiane 1'-sulfoxide

✍ Scribed by Dhaneshwar, N. N. ;Menon, R. B. ;Tavale, S. S. ;Guru Row, T. N.

Book ID
114506158
Publisher
International Union of Crystallography
Year
1989
Tongue
English
Weight
221 KB
Volume
45
Category
Article
ISSN
0108-2701

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📜 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.

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.