Abstract
In the title compound, C30H28N4O, the central pyrrolidine ring adopts an envelope conformation with the CH2 C atom as the flap. The quinoxaline and indene ring systems are planar, with r.m.s. deviations of 0.0165 and 0.0181 Å, respectively. The pyrrolidine ring mean plane forms dihedral angles of 88.84 (1) and 86.14 (1)° with the quinoxaline and indene ring systems, respectively. A weak intramolecular C—H⋯N interaction is observed. In the crystal, C—H⋯O interactions lead to helical supramolecular chains along the b axis having a C(9) motif.
Highlights
Crystal data10 ,10 0 -Dimethyl-40 -phenyldispiro[11Hindeno[1,2-b]quinoxaline-11,20 -pyrrolidine-30 ,30 0 -piperidin]-40 0 -one
In the title compound, C30H28N4O, the central pyrrolidine ring adopts an envelope conformation with the CH2 C atom as the flap
JS and RAN thank the management of Madura College for their encouragement and support
Summary
10 ,10 0 -Dimethyl-40 -phenyldispiro[11Hindeno[1,2-b]quinoxaline-11,20 -pyrrolidine-30 ,30 0 -piperidin]-40 0 -one. 625 021, India, and cDepartment of Food Science and Technology, University of Ruhuna, Mapalana, Kamburupitiya 81100, Sri Lanka
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