%0 Journal Article
%T Methyl 4¡ä-(4-fluorophenyl)-1¡ä-methyl-3¡ä-nitromethyl-2-oxospiro[indoline-3,2¡ä-pyrrolidine]-3¡ä-carboxylate
%A B. K. Revathi
%A S. Sathya
%A G. Usha
%A G. Murugan
%J Acta Crystallographica Section E
%D 2013
%I International Union of Crystallography
%R 10.1107/s1600536813001578
%X In the title compound, C21H20FN3O5, the the pyrrolidine ring makes dihedral angles of 84.91 (6) and 62.38 (7)¡ã with the oxindole unit and the fluorophenyl ring, respectively. The pyrrolidine ring assumes an envelope conformation with the spiro C atom as the flap. The crystal packing features weak N¡ªH...N and C¡ªH...O hydrogen bonds.
%U http://scripts.iucr.org/cgi-bin/paper?S1600536813001578