1 `-Methyl-2-oxo-5 `-phenylspiro[indoline-3,3 `-pyrrolidine]-4 `,4 `-dicarbonitrile

Document Type

Article

Publication Date

1-1-2010

Abstract

The title spiro-compound, C(20)H(16)N(4)O, crystallizes with four independent molecules in the asymmetric unit. In all of them, the oxindole unit is planar, the r.m.s. deviations ranging from 0.07 to 0.08 angstrom, while the pyrrolinyl ring adopts an envelope conformation (with the N atom representing the flap). In the crystal, adjacent molecules are linked by N-H center dot center dot center dot N and N-H center dot center dot center dot O hydrogen bonds.

Publication Title

Acta Crystallographica Section E: Structure Reports Online

Volume

66

Issue

1

Publisher

International Union of Crystallography

Publisher Location

COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA

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