Date Published: March 01, 2012
Publisher: International Union of Crystallography
Author(s): Hui-Hui Lin, Wei-Yao Wu, Jing-Jing Zhang, Sheng-Li Cao.
In the title compound, C23H34N4O4, the morpholine rings adopt chair conformations. The N atom of the indol-2-one group is linked to the N atom of one morpholine ring through a flexible ethyl group with an almost cif conformation. In the crystal, molecules are linked by C—H⋯O interactions into infinite chains along the c direction. The almost parallel infinite chains are further interconnected via other sets of C—H⋯O interactions, forming a three-dimensional framework.
For background to and activities of indoline-2,3-dione and its derivatives, see Chiyanzu et al. (2005 ▶); Karali (2002 ▶); Sirisoma et al. (2009 ▶); Solomon et al. (2009 ▶); Sriram et al. (2004 ▶). For structural analogues of indoline-2,3-dione (isatin), see: Wang et al. (2012 ▶).