4-(4-Bromo-benzene-sulfonamido)benzoic acid

N-Phenyl-N-(prop-2-en-1-yl)benzenesulfonamide

In the mol­ecule of the title compound, C₁₅H₁₅NO₂S, the dihedral angle between the two phenyl rings is 41.8 (3)°. The S atom has a distorted tetra­hedral environment. In the crystal structure, C—H⋯O hydrogen bonds link the molecules into a ribbon-like structure along [010].

4-Benzene-sulfonamido-benzoic acid

In the mol­ecule of the title sulfonamide compound, C₁₃H₁₁NO₄S, the dihedral angle between the planes of the benzene ring and the carboxyl substituent group is 6.7 (4)°. The two aromatic rings are inclined at 45.36 (15)° to one another. In the crystal, adjacent mol­ecules are linked via classical inter­molecular N—H⋯O and O—H⋯O, and non-classical C—H⋯O hydrogen bonds, which stabilize the crystal structure.