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In the title compound, C 38 H 28 O 6 , the dihedral angles between the naphthalene ring system and its pendant benz-yloxy rings A and B are 88.05 (7) and 80.84 (7)°, respectively. The dihedral angles between the A and B rings and their attached phenyl rings are 49.15 (8) and 80.78 (8)°, respectively. In the extended structure, the mol-ecules are linked by weak C-H⋯O and C-H⋯π hydrogen bonds, and π-π stacking inter-actions, which variously generate C (11) chains and R 2 2 (12) loops as part of a three-dimensional network. The Hirshfeld surface [fingerprint contributions = H⋯H (42.3%), C⋯H/H⋯C (40.3%) and O⋯H/H⋯O (15.7%)] and inter-molecular inter-action energies are reported, with dispersion ( E dis = -428.6 kJ mol -1 ) being the major contributor., (© Anil Kumar et al. 2023.)

In the title compound, C16H17NO2S, the heterocyclic ring adopts a half-chair conformation and the bond-angle sum at the N atom is 354.6°. The dihedral angle between the planes of the aromatic rings is 74.15 (10)°. In the crystal, mol-ecules are linked by weak C-H⋯O hydrogen bonds, generating C(8) and C(4) chains propagating along [100] and [010], respectively, which together generate (001) sheets.

In the title compound, C10H13NO2S, the heterocyclic ring adopts a half-chair conformation and the bond-angle sum at the N atom is 347.9°. In the crystal, inversion dimers linked by pairs of C-H⋯O hydrogen bonds generate R 2 (2)(8) loops.