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In the title compound, C18H22N2O4S2, the 2H-chromene ring system is essentially planar (r.m.s. deviation = 0.012 Å). The molecular conformation is stabilized by a C—H
O hydrogen bond. In the crystal, N—HS and C—HO hydrogen bonds occur, the former enclosing an R22(22) ring motif, and lead to the formation of a two-dimensional slab-like network lying parallel to (10-1). π–π interactions are observed between inversion-related aromatic rings [shortest centroid–centroid distance = 3.6300 (11) Å].
O hydrogen bond. In the crystal, N—HS and C—HO hydrogen bonds occur, the former enclosing an R22(22) ring motif, and lead to the formation of a two-dimensional slab-like network lying parallel to (10-1). π–π interactions are observed between inversion-related aromatic rings [shortest centroid–centroid distance = 3.6300 (11) Å].
