Abstract

The mol­ecule of the title compound, C30H32N4O2, lies on a twofold rotation axis that passes through the mid-points of the C—C bonds of the piperazine ring, which adopts a chair conformation. The pyrrolidine ring that is fused to the piperazine ring adopts an envelope conformation (in which the N atom represents the flap). The indoline fused-ring system is nearly planar (r.m.s. deviation = 0.044 Å); the two symmetry-related indoline fused-rings systems are aligned at 71.44 (3)°.

Highlights

  • The molecule of the title compound, C30H32N4O2, lies on a twofold rotation axis that passes through the mid-points of the C—C bonds of the piperazine ring, which adopts a chair conformation

  • The pyrrolidine ring that is fused to the piperazine ring adopts an envelope conformation

  • Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: XU5527)

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Summary

Structure Reports Online

Khalil Al Mamari,a Hamid Ennajih,a Rachid Bouhfid,b El Mokhtar Essassia and Seik Weng Ngc,d*. The molecule of the title compound, C30H32N4O2, lies on a twofold rotation axis that passes through the mid-points of the C—C bonds of the piperazine ring, which adopts a chair conformation. The pyrrolidine ring that is fused to the piperazine ring adopts an envelope conformation (in which the N atom represents the flap). The indoline fused-ring system is nearly planar (r.m.s. deviation = 0.044 A ); the two symmetry-related indoline fused-rings systems are aligned at 71.44 (3). Related literature For background to the class of dispiro compounds, see: Al Mamari et al (2012). See: Sugaleshini et al (2006)

Data collection
Bruker APEX DUO diffractometer

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