Research Article: 2-Chloro-4-(2-iodo­benzene­sulfonamido)­benzoic acid

Date Published: June 01, 2011

Publisher: International Union of Crystallography

Author(s): Muhammad Nadeem Arshad, Islam Ullah Khan, H. M. Rafique, Abdullah M. Asiri, Muhammad Shafiq.

http://doi.org/10.1107/S1600536811016412

Abstract

In the title compound, C13H9ClINO4S, the dihedral angle between the aromatic rings is 81.04 (17)°. The disposition of the I and Cl atoms attached to the two rings is anti. In the crystal, mol­ecules are connected via O—H⋯O and N—H⋯O hydrogen bonds.

Partial Text

For background to thia­zine heterocycles, see: Arshad et al. (2008, ▶ 2011 ▶). For their biological activity, see: Medina et al. (1999 ▶). For related structures, see: Arshad et al. (2009a ▶,b ▶,c ▶).

Source:

http://doi.org/10.1107/S1600536811016412