Received 11 October 2012
In the title compound, C20H19N O2S2,the 3Hbenzo-chromene ring system is nearly planar, with a maximum deviation of 0.036 (2) Å, and the piperidine ring adopts a chair conformation: the bond-angle sum for its N atom is 358.7°. The dihedral angle between the 3H-benzo[f]chromene ring and the piperidine ring is 89.07 (8)°. In the crystal, C-HO hydrogen bonds lead to  C(6) chains and weak aromatic - interactions between the fused pyran ring and fused benzene ring of benzochromene [centroid-centroid distance = 3.652 (1) Å] are also observed.
For a related structure, background to coumarins and details of the synthesis of the title compound, see: Kumar et al. (2012).
Data collection: SMART (Bruker, 2001); cell refinement: SAINT (Bruker, 2001); 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 (Farrugia, 1997); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB6973 ).
The authors thank the Universities Sophisticated Instrumental Centre, Karnatak University, Dharwad, for the X-ray data collection and the GCMS, IR, CHNS and NMR data. KMK is grateful to Karnatak Science College, Dharwad, for providing laboratory facilities.
Bruker (2001). SMART and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.
Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.
Kumar, K. M., Kour, D., Kapoor, K., Mahabaleshwaraiah, N. M., Kotresh, O., Gupta, V. K. & Kant, R. (2012). Acta Cryst. E68, o878-o879.
Sheldrick, G. M. (2007). SADABS. Bruker AXS Inc., Madison, Wisconsin,USA.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.