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Crystal structure of 3'-(1H-indole-3-carbon-yl)-1'-methyl-2-oxo-4'-(4-oxo-4H-chromen-3-yl)spiro-[indoline-3,2'-pyrrolidine]-3'-carbo-nitrile.


ABSTRACT: In the title compound, C31H22N4O4, the pyrrolidine ring adopts a twist conformation on the N-CH2 bond. The indolin-2-one and the 1H-indole rings are nearly planar (r.m.s. deviations = 0.06 and 0.011?Å, respectively) and are inclined to one another by 34.19?(9)°. The chromene ring system is also nearly planar (r.m.s. deviation = 0.029?Å). It is almost normal to the 1H-indole ring system, with a dihedral angle of 88.71?(8)°, and is inclined to the indolin-2-one ring system by 72.76?(8)°. In the crystal, mol-ecules are linked via N-H?O hydrogen bonds, forming slabs parallel to (10-1). The slabs are linked by C-H?O hydrogen bonds, forming a three-dimensional structure.

SUBMITTER: Savithri MP 

PROVIDER: S-EPMC4645027 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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Crystal structure of 3'-(1H-indole-3-carbon-yl)-1'-methyl-2-oxo-4'-(4-oxo-4H-chromen-3-yl)spiro-[indoline-3,2'-pyrrolidine]-3'-carbo-nitrile.

Savithri M P MP   Raja R R   Kathirvelan D D   Reddy B S R BS   SubbiahPandi A A  

Acta crystallographica. Section E, Crystallographic communications 20151031 Pt 11


In the title compound, C31H22N4O4, the pyrrolidine ring adopts a twist conformation on the N-CH2 bond. The indolin-2-one and the 1H-indole rings are nearly planar (r.m.s. deviations = 0.06 and 0.011 Å, respectively) and are inclined to one another by 34.19 (9)°. The chromene ring system is also nearly planar (r.m.s. deviation = 0.029 Å). It is almost normal to the 1H-indole ring system, with a dihedral angle of 88.71 (8)°, and is inclined to the indolin-2-one ring system by 72.76 (8)°. In the cr  ...[more]

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