In the title compound, C(8)H(8)ClNO, the acetamide group is twisted out the benzene plane with a dihedral angle of 83.08 (1)°. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds, forming layers parallel to the ab plane.

In the title compound, C(8)H(7)ClO(2), the carboxyl group forms a dihedral angle of 74.83 (9)° with the benzene ring plane. In the crystal, mol-ecules are linked into inversion dimers by pairs of O-H⋯O hydrogen bonds. The dimers are linked into layers parallel to the bc plane by weak C-H⋯O inter-actions.

In the title compound, C(15)H(13)NO(2), all atoms of the carbazole group are coplanar (r.m.s. deviation = 0.005 Å), and the dihedral angle between this plane and C-O-C plane of oxane group is 57.1 (4)°. The crystal packing is stabilized by an N-H⋯O hydrogen bond, resulting in infinite supra-molecular chains along [001].

In the title compound, C(11)H(12)NO(4)PS(2), the dihedral angle between the phthalimidyl ring plane and the PS(2) plane of the phospho-rodithio-ate group is 60.41 (3)°. In the crystal structure, weak inter-molecular C-H⋯O hydrogen bonds and S⋯S inter-actions [3.3825 (9) Å] contribute to the stabilization of the packing.

In the crystal of the title compound, C(7)H(10)N(2)O(2)S, the mol-ecules are linked by two strong N-H⋯O hydrogen bonds. The mol-ecular structure is stabilized by an intra-molecular N-H⋯O hydrogen bond. The C/S/N plane makes a dihedral angle of 69.7 (2)° with the aromatic ring plane.

In the title mol-ecule, C(17)H(12)INO, the dihedral angle between the naphthaldeyde plane and the 3-iodo-aniline plane is20.07 (13)°. It exists in the solid state as an enol-imine tautomer with a strong intra-molecular O-H⋯N hydrogen bond.

In the title compound, C(20)H(13)BrO(2)S, the O atom and the phenyl group of the phenyl-sulfinyl substituent are located on opposite sides of the plane of the benzofuran system. The S-bound phenyl ring is almost perpendicular to this plane [80.35 (8)°]. The phenyl ring in the 2-position is twisted with respect to the benzofuran plane, making a dihedral angle of 16.0 (1)°.

The title compound, C(22)H(16)ClNO(4), adopts a conformation in which the phenyl ring plane forms similar dihedral angles with the nitro-benzoate C(6) ring [76.97 (8)°] and the chloro-phenyl group [76.95 (8)°]; the dihedral angle between the chloro-phenyl and nitro-benzoate rings is 66.43 (8)°. In the crystal, π-π stacking is observed between the latter two planes, with a dihedral angle of 1.79...

In the title compound, C17H16O4, the dihedral angle between the benzene rings is 21.22 (1)° and the mean plane of the prop-2-en-1-one group makes dihedral angles of 10.60 (1) and 11.28 (1)°, respectively, with those of the hy-droxy-phenyl and eth-oxy-phenyl rings. The eth-oxy substituent forms a dihedral angle of 88.79 (2)° with the the prop-2-en-1-one group, which is found to be slightly twist...

In the title compound, C(10)H(9)NO(3), the mean plane through the acetate group forms a dihedral angle of 83.39 (5)° with the plane of the indole ring system. In the crystal, pairs of centrosymmetrically related mol-ecules are linked into dimers by N-H⋯O hydrogen bonds. The dimers are further connected into layers parallel to the bc plane by C-H⋯O hydrogen bonds.