Acta Cryst. (2012). E68, o3167 [ doi:10.1107/S1600536812042870 ]
Abstract: 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.
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