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

Nabid, M.R. and Rezaei, S.J.T. and Fazaeli, Y. and Ng, S.W. (2010) 1 `-Methyl-2-oxo-5 `-phenylspiro[indoline-3,3 `-pyrrolidine]-4 `,4 `-dicarbonitrile. Acta Crystallographica Section E: Structure Reports Online, 66 (1). O145-U2356. ISSN 1600-5368,

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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.

Item Type: Article
Subjects: Q Science > QC Physics
Depositing User: MR Faizal II H
Date Deposited: 28 Dec 2015 01:22
Last Modified: 31 Jan 2019 05:05
URI: http://eprints.um.edu.my/id/eprint/15305

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