Received 26 March 2013
aDepartment of Physics, S.M.K. Fomra Institute of Technology, Thaiyur, Chennai 603 103, India,bOrganic Chemistry Division, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India, and cDepartment of Physics, Presidency College (Autonomous), Chennai 600 005, India
Correspondence e-mail: firstname.lastname@example.org
In the title compound, C36H30N4O3, the quinoxaline-indene system is roughly planar, with a maximum deviation from the mean plane of 0.218 Å for the C atom shared with the central pyrrolidine ring. This latter ring forms dihedral angles of 84.54 (7) and 83.91 (8)° with the quinoxaline-indene system and the indole ring, respectively. The central pyrrolidine ring has an envelope conformation with the N atom as the flap, while the pyrrolidine and five-membered rings of the indole group adopt twisted conformation and envelope (with the C atom bearing the quinoxaline-indene system as the flap) conformations, respectively. In the crystal, molecules are linked via weak C-HN hydrogen bonds, forming a chain running along .
For details of the synthesis, see: Azizian et al. (2005). For uses of pyrrolidine and quinoxaline derivatives, see: Amal Raj et al. (2003); Zarranz et al. (2003). For a related structure, see: Srinivasan et al. (2012). For ring conformations, see: Cremer & Pople (1975).
Data collection: APEX2 (Bruker, 2008); cell refinement: SAINT (Bruker, 2008); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: SHELXL97 and PLATON (Spek, 2009).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BG2503 ).
The authors thank the TBI X-ray facility, CAS in Crystallography and BioPhysics, University of Madras, Chennai, India, for the data collection.
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Zarranz, B., Jago, A., Aldana, I. & Monge, A. (2003). Bioorg. Med. Chem. 11, 2149-2156.