4-Chloro-N-cyclo­hexyl­benzene­sulfonamide

The title compound, C₁₂H₁₆ClNO₂S, adopts an L-shaped conformation, with the central C—S—N—C torsion angle being −78.0 (2)°. The cyclo­hexyl ring adopts a chair conformation. In the crystal, adjacent mol­ecules are connected by pairs of N—H...O hydrogen bonds around an inversion centre, forming cyclic dimers [graph set R₂²(8)].

3-(Propan-2-yl­oxy)-1,2-benzothia­zole 1,1-dioxide

In the title compound, C₁₀H₁₁NO₃S, the benzisothia­zole ring system is almost planar [maximum deviation = 0.030 (1) Å for the S atom]. The isoprop­oxy group is almost in the plane of the benzisothia­zole ring system [N-C-O-C = 4.5 (2)°] with one of its methyl groups in an anti­periplanar orientation relative to the benzisothia­zole ring system [C-C-O-C = -162.0 (2)°].

N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-4-fluoro­benzene­sulfonamide

In the title compound, C₁₄H₁₂FNO₄S, the dihedral angle between the aromatic rings is 50.26 (9)° and the C—S—N—C bond adopts a gauche conformation [torsion angle = −68.12 (15)°]. The dihydro­dioxine ring is disordered over two orientations, which both approximate to half-chairs, in a 0.880 (7):0.120 (7) ratio. In the crystal, N—H...O hydrogen bonds link the mol­ecules into C(4) chains propagating in [100]. Weak C—H...O and C—H...F inter­actions consolidate the packing.

2,5-Dichloro-N-(3-methyl­phen­yl)benzenesulfonamide

In the title compound, C₁₃H₁₁Cl₂NO₂S, the dihedral angle between the aromatic rings is 76.62 (10)° and the C—S—N—C linkage between the rings adopts a gauche conformation [torsion angle = −51.4 (2)°]. A weak intra­molecular C—H...O inter­action closes an S(6) ring. In the crystal, inversion dimers linked by pairs of N—H...O hydrogen bonds generate R₂²(8) loops.

2,5-Dichloro-N-(2,3-dimethyl­phen­yl)benzene­sulfonamide

In the title compound, C₁₄H₁₃Cl₂NO₂S, the dihedral angle between the aromatic rings is 62.21 (7)° and the C—S—N—C group adopts a gauche conformation [torsion angle = 60.22 (17)°]. In the crystal, N—H...O hydrogen bonds link the mol­ecules into C(4) chains propagating in [010]. A short inter­molecular Cl...O contact of 3.1115 (17) Å is seen.

N-(2,3-Dimethyl­phen­yl)-4-fluoro-N-[(4-fluoro­phen­yl)sulfon­yl]benzene­sulfonamide

In the title compound, C₂₀H₁₇F₂NO₄S₂, the dihedral angles between the o-xylene ring and the fluoro­benzene rings are 31.7 (1) and 32.8 (1)°, and the dihedral angle between the fluoro­benzene rings is 50.9 (1)°. The C—N—S—C torsion angles are 76.7 (2) and 101.8 (2)°. In the crystal, mol­ecules are connected by C—H...O inter­actions into sheets in the ab plane.

N-(2,3-Dimethyl­phen­yl)-4-methyl-N-(4-methyl­phenyl­sulfon­yl)benzene­sulfonamide

In the title compound, C₂₂H₂₃NO₄S₂, the dihedral angles between the dimethyl­phenyl ring and the two methyl­phenyl rings are 41.19 (15) and 20.50 (17)°; the dihedral angle between the methyl­phenyl rings is 48.11 (14)°. The C—N—S—C torsion angles are −87.6 (2) and 77.43 (18)°. The only possible directional inter­actions in the crystal are very weak C—H...π inter­actions and very weak π–π stacking between parallel methyl­phenyl rings [centroid-to-centroid separation = 4.010 (2) Å and slippage = 1.987 Å].