In the title compound, C(13)H(10)N(2)O(5)S·H(2)O, the dihedral angle between the sulfonyl and benzoyl benzene rings is 83.4 (1)°. In the crystal, the water mol-ecule forms four hydrogen bonds with three different mol-ecules of N-benzoyl-4-nitro-benzene-sulfonamide. One of the H atoms of H(2)O forms a bifurcated hydrogen bond with a sulfonyl and the carbonyl O atoms. Mol-ecules are linked into a...

In the title compound, C(24)H(28)N(2)O(4)S(2), the dihedral angles between the central benzene ring and the pendant rings are 77.44 (11) and 79.23 (10)°, and the dihedral angle between the pendant rings is 23.31 (12)°. Both sulfonamide groups project to the same side of the central benzene ring and the mol-ecule has approximate non-crystallographic mirror symmetry. One of the ethyl side chains ...

The title compound, C(19)H(17)ClN(4)O(3)S, is a Schiff base compound of 5-chloro-salicylaldehyde and sulfamethazine [4-amino-N-(4,6-dimethyl-2-pyrimidin-yl)benzene-sulfonamide]. The geometry around the S atom is distorted tetra-hedral, comprising two O atoms of the sulfonyl group, a C atom of a benzene ring and the amino N atom. The title compound has an intra-molecular O-H⋯N hydrogen bond and ...

The title compound, C(15)H(23)NO(2)S, contains cyclo-hexyl and ethyl substituents on the sulfonamide N atom and the cyclo-hexyl ring adopts a classic chair conformation. The dihedral angle between the benzene ring plane and the mean plane through the six atoms of the cyclo-hexyl ring is 59.92 (6)°. In the crystal structure, C-H⋯O hydrogen bonds link mol-ecules into sheets extending in the bc pl...

Diuretic activity [ p(1/C)] of benzene sulfonamides was modeled using 13 C NMR chemical shift ( as a molecular descriptor. The regression analyses were carried out using regular as well as Ridge multiple regression analyses. Application of variety of statistics namely ( statistics, Ridge regression and parameter derived there were used for modeling the diuretic activity. Results have shown that...

In the mol-ecule of the title sulfonamide compound, C(13)H(11)NO(4)S, 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 mol-ecules are linked via classical inter-molecular N-H⋯O and O-H⋯O, and non-classical C-H⋯O hydrogen bonds, which stabilize the ...

In the title compound, C(14)H(20)N(2)O(2)S, the sulfonamide O atoms lie to one side of the benzene ring and the amino-bicyclo-hepta-nyl to the other side [C(ar)-S-N-C torsion angle = -57.93 (11)°; ar = aromatic]. An intra-molecular N-H⋯N hydrogen bond is formed. In the crystal, a supra-molecular chain is formed along the b axis via N-H⋯O and N-H⋯N hydrogen bonds.

In the title mol-ecule, C(22)H(17)N(3)O(5)S, the pyrazole ring is planar (r.m.s. deviation = 0.018 Å) and forms dihedral angles of 21.45 (10) and 6.96 (10)° with the N- and C-bound benzene rings, respectively. Supra-molecular layers in the bc plane are formed in the crystal via C-H⋯O and π-π inter-actions involving the sulfonamide benzene ring inter-acting with the N- and C-bound benzene rings ...

In the title compound, C(24)H(27)BrN(4)O(4)S(2), the mol-ecule is twisted at the sulfonyl S atom with a C-S(O(2))-N(H)-C torsion angle of 62.6 (3)°. The benzene rings bridged by the sulfonamide group are tilted to each other by a dihedral angle of 60.6 (1)°. The dihedral angle between the sulfur-bridged pyrimidine and benzene rings is 62.7 (1)°. The morpholine ring adopts a chair conformation. ...

In the title compound, C(21)H(20)BrClN(4)O(4)S(2), the benzene rings bridged by the sulfonamide group are tilted relative to each other by a dihedral angle of 70.2 (1)° and the dihedral angle between the sulfur-bridged pyrimidine and benzene rings is 69.5 (1)°. The mol-ecular conformation is stabilized by a weak intra-molecular π-π stacking inter-action between the pyrimidine and the 4-chloro-b...