Received 18 February 2013
aDepartment of Chemistry, BITS, Pilani-K. K. Birla Goa Campus, Goa 403 726, India,bDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia, and cChemistry Department, Faculty of Science, King Abdulaziz University, PO Box 80203 Jeddah, Saudi Arabia
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In the title compound, C24H19NOS, the quinoline residue (r.m.s. deviation = 0.018 Å) is essentially orthogonal to both the phenyl [dihedral angle = 88.95 (8)°] and 2-thienyl [81.98 (9)°] rings. The carbonyl O atom lies to one side of the quinoline plane, the carbonyl C atom is almost coplanar and the remaining atoms of the chalcone residue lies to the other side, so that overall the molecule has an L-shape. The conformation about the ethylene bond [1.340 (2) Å] is E. In the crystal, a supramolecular chain with the shape of a square rod aligned along the b-axis direction is sustained by C-H interactions, the -systems being the heterocyclic rings.
For background details and the biological application of quinoline and quinoline chalcones, see: Joshi et al. (2011); Prasath & Bhavana (2012); Kalanithi et al. (2012); Prasath et al. (2013). For the structure of the dimethyl-substituted quinolinyl compound without a methyl substituent on the 2-thienyl ring, see: Prasath et al. (2011).
Data collection: CrysAlis PRO (Agilent, 2011); cell refinement: CrysAlis PRO; data reduction: CrysAlis PRO; 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) and DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB7043 ).
PB and RP gratefully acknowledge the Council of Scientific and Industrial Research (CSIR), India, for research grant 02 (0076)/12/EMR-II and Senior Research Fellowship (09/919/(0014)/2012 EMR-I), respectively. We also thank the Ministry of Higher Education (Malaysia) for funding structural studies through the High-Impact Research scheme (UM.C/HIR-MOHE/SC/12).
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