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3'-[(1H-Indol-3-yl)carbon-yl]-1'-methyl-2-oxo-4'-(thio-phen-2-yl)-spiro-[indoline-3,2'-pyrrolidine]-3'-carbo-nitrile.


ABSTRACT: In the title compound, C26H20N4O2S, the central pyrrolidine ring adopts a twist conformation on the C-C bond involving the spiro C atom. Its mean plane makes dihedral angles of 78.83?(14), 65.91?(15) and 44.49?(18)° with the mean planes of the adjacent oxindole ring system, the indole system and the thio-phene ring, respectively. The indole and indoline units are essentially planar, with maximum deviations of 0.019?(3) and 0.090?(3)?Å, respectively. In the oxindole fused-ring system, the pyrrole ring adopts an envelope conformation with the spiro C atom as the flap. In the crystal, pairs of N-H?O hydrogen bonds link the mol-ecules, forming inversion dimers with an R (2) 2(8) ring motif. The dimers are linked by further N-H?O hydrogen bonds, forming a two-dimensional network lying parallel to (100).

SUBMITTER: Inglebert SA 

PROVIDER: S-EPMC3790442 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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3'-[(1H-Indol-3-yl)carbon-yl]-1'-methyl-2-oxo-4'-(thio-phen-2-yl)-spiro-[indoline-3,2'-pyrrolidine]-3'-carbo-nitrile.

Inglebert S Antony SA   Arun Yuvaraj Y   Sethusankar K K   Perumal Paramasivam T PT  

Acta crystallographica. Section E, Structure reports online 20130925 Pt 10


In the title compound, C26H20N4O2S, the central pyrrolidine ring adopts a twist conformation on the C-C bond involving the spiro C atom. Its mean plane makes dihedral angles of 78.83 (14), 65.91 (15) and 44.49 (18)° with the mean planes of the adjacent oxindole ring system, the indole system and the thio-phene ring, respectively. The indole and indoline units are essentially planar, with maximum deviations of 0.019 (3) and 0.090 (3) Å, respectively. In the oxindole fused-ring system, the pyrrole  ...[more]

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