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4'-(3-Bromo-phen-yl)-1'-methyl-dispiro-[indan-2,2'-pyrrolidine-3',2''-indan]-1,3,1''-trione.

ABSTRACT: In the title compound, C(27)H(20)BrNO(3), two intra-molecular C-H?O hydrogen bonds both form S(6) rings. The pyrrolidine ring adopts a twisted conformation about the C-C bond bearing the indane ring systems. The other two five-membered rings within the indane systems are in shallow envelope conformations, with the spiro C atoms as the flap atoms. The mean plane of the pyrrolidine ring [maximum deviation = 0.275?(1)?Å] makes dihedral angles of 65.25?(7), 78.33?(6) and 75.25?(6)° with the bromo-substituted benzene ring and the mean planes of the mono- and dioxo-substituted indane rings, respectively. In the crystal, mol-ecules are linked by C-H?O and C-H?N hydrogen bonds into a three-dimensional network. In addition, C-H?? inter-actions are observed.

SUBMITTER: Wei AC

PROVIDER: S-EPMC3470256 | biostudies-other | 2012 Oct

REPOSITORIES: biostudies-other

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4'-(3-Bromo-phen-yl)-1'-methyl-dispiro-[indan-2,2'-pyrrolidine-3',2''-indan]-1,3,1''-trione.

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 20120908 Pt 10

In the title compound, C(27)H(20)BrNO(3), two intra-molecular C-H⋯O hydrogen bonds both form S(6) rings. The pyrrolidine ring adopts a twisted conformation about the C-C bond bearing the indane ring systems. The other two five-membered rings within the indane systems are in shallow envelope conformations, with the spiro C atoms as the flap atoms. The mean plane of the pyrrolidine ring [maximum deviation = 0.275 (1) Å] makes dihedral angles of 65.25 (7), 78.33 (6) and 75.25 (6)° with the bromo-su ...[more]

PMID: 23125700

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