Abstract
The conformation of the title molecule, C30H24ClN3O4S, is partially determined by an intramolecular N—H...O hydrogen bond, forming anS(6) loop, and an N—H...π interaction involving the centroid of the 4-chlorophenyl ring. The thienopyridine bicyclic system is almost planar with an r.m.s. deviation of 0.019 Å. Its mean plane is inclined to the phenyl ring, the 4-chlorophenyl ring and the 4-methoxyphenyl ring by 36.19 (7), 81.67 (7) and 12.75 (7)°, respectively. In the crystal, molecules are linked by pairs of N—H...O hydrogen bonds, forming inversion dimers with anR22(20) ring motif. Within the dimers, which stack along theb-axis direction, there is a weak π–π interaction [centroid-to-centroid distance = 3.7936 (9) Å] involving inversion-related thiophene and pyridine rings.
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