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1'-Methyl-4'-[4-(trifluoro-meth-yl)phen-yl]dispiro-[acenaphthyl-ene-1,2'-pyrrolidine-3',2''-indane]-2,1''(1H)-dione.

ABSTRACT: In the title compound, C(31)H(22)F(3)NO(2), the pyrrolidine and cyclo-pentane rings within the dihydro-indene ring system are in envelope conformations, with the N atom and the spiro-C atom at the flap, respectively. An intra-molecular C-H?O hydrogen bond forms an S(8) ring motif. The mean plane through the pyrrolidine ring [r.m.s. deviation = 0.179?(2)?Å] makes dihedral angles of 86.30?(13), 88.99?(10) and 79.69?(11)° with the benzene ring, the dihydro-acenaphthyl-ene ring and the mean plane of the indane system, respectively. In the crystal, mol-ecules are linked by C-H?O and C-H?N hydrogen bonds into a two-dimensional network parallel to the ac plane. C-H?? inter-actions further stabilize the crystal structure.

SUBMITTER: Wei AC

PROVIDER: S-EPMC3344443 | biostudies-literature | 2012 May

REPOSITORIES: biostudies-literature

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1'-Methyl-4'-[4-(trifluoro-meth-yl)phen-yl]dispiro-[acenaphthyl-ene-1,2'-pyrrolidine-3',2''-indane]-2,1''(1H)-dione.

Wei Ang Chee AC Ali Mohamed Ashraf MA Choon Tan Soo TS Arshad Suhana S Razak Ibrahim Abdul IA

Acta crystallographica. Section E, Structure reports online 20120404 Pt 5

In the title compound, C(31)H(22)F(3)NO(2), the pyrrolidine and cyclo-pentane rings within the dihydro-indene ring system are in envelope conformations, with the N atom and the spiro-C atom at the flap, respectively. An intra-molecular C-H⋯O hydrogen bond forms an S(8) ring motif. The mean plane through the pyrrolidine ring [r.m.s. deviation = 0.179 (2) Å] makes dihedral angles of 86.30 (13), 88.99 (10) and 79.69 (11)° with the benzene ring, the dihydro-acenaphthyl-ene ring and the mean plane of ...[more]

PMID: 22590205

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