title: 4'-(4-Methoxy-phen-yl)-1,1',1''-trimethyl-dispiro-[indoline-3,2'-pyrrolidine-3',3''-pyrrolidine]-2,2'',5''-trione.
abstract: In the title compound, C(24)H(25)N(3)O(4), the pyrrolidine ring adopts an envelope conformation while the pyrrolidine-2'',5''-dione ring adopts a twist conformation. The indoline unit is planar [maximum deviation of -0.050 (9) Å] and forms a dihedral angle of 40.36 (4)° with the methoxy-phenyl ring. Intra-molecular C-H⋯O hydrogen bonds are observed. In the crystal, mol-ecules are linked into a two-dimensional network parallel to the ab plane by inter-molecular C-H⋯O hydrogen bonds and C-H⋯π inter-actions.
authors.forename: S
authors.initials: S
authors.lastname: Nirmala
authors.forename: K
authors.initials: K
authors.lastname: Karthikeyan
authors.forename: E Theboral Sugi
authors.initials: ET
authors.lastname: Kamala
authors.forename: L
authors.initials: L
authors.lastname: Sudha
authors.forename: P T
authors.initials: PT
authors.lastname: Perumal