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5-Benzene-sulfonamido-2-chloro-benzoic acid.

ABSTRACT: In the title compound, C(13)H(10)ClNO(4)S, the dihedral angle between the aromatic ring planes is 87.07 (6)° and an intra-molecular C-H⋯O inter-action occurs. In the crystal, inversion dimers linked by two O-H⋯O hydrogen bonds arise from the carboxyl groups. N-H⋯O hydrogen bonds link the dimers into chains and short C-Cl⋯π and S-O⋯π contacts are also seen.

SUBMITTER: Arshad MN

PROVIDER: S-EPMC2968977 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-Chloro-6-(2,3-di-chloro-benzene-sulfonamido)-benzoic acid.

Project description:In the title compound, C13H8Cl3NO4S, the aromatic rings are oriented at a dihedral angle of 68.94 (1)° and the mol-ecule adopts a V-shape. An intra-molecular N-H⋯O inter-action generates a six-membered S(6) ring motif. In the crystal, pairs of O-H⋯O hydrogen bonds involving the carb-oxy group link the mol-ecules into inversion dimers with an R 2 (2)(8) motif. N-H⋯O and non-classical C-H⋯O inter-actions connect the mol-ecules, forming sheets propagating in (100).

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

Project description:The title compound, C(13)H(10)BrNO(4)S, belongs to the sulfonamide class of organic compounds. The two aromatic rings are inclined at 34.30?(15)° to one another, and the carboxyl substituent lies in the plane of the benzene ring to which it is bound (maximum deviation = 0.004?Å). In the crystal structure, charactersitic carboxylic acid dimers are formed through O-H?O hydrogen bonds. These dimers are linked into rows down a by N-H?O inter-actions. Additional C-H?O contacts further stabilize the structure, and a close Br?Br(x, -y + 1, -z + 1) contact of 3.5199?(9)?Å is also observed.

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Project description:In the mol-ecule of the title compound, C(13)H(10)INO(4)S·H(2)O, the coordination around the S atom is distorted tetra-hedral. The aromatic rings are oriented at a dihedral angle of 74.18?(17)°. Intra-molecular C-H?O hydrogen bonds result in the formation of non-planar five- and six-membered rings, which adopt envelope and twist conformations, respectively. In the crystal structure, inter-molecular N-H?O, O-H?O and C-H?O hydrogen bonds link the mol-ecules. ?-? Contacts between the phenyl rings [centroid-centroid distance = 3.726?(3)?Å] may further stabilize the structure. There is also a C-H?? inter-action.

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Project description:In the title compound, C(15)H(14)N(2)O(5)S, two similar mol-ecules comprise the asymmetric unit, which are linked by strong inter-molecular C-H?? inter-actions. Both mol-ecules are bent, with dihedral angles of 71.94?(16) and 74.62?(15)° between the benzene rings. An intra-molecular N-H?O hydrogen bond occurs in each mol-ecule. In the crystal, inter-molecular N-H?O and O-H?O hydrogen bonds link the mol-ecules into a three-dimensional network.

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Project description:In the title compound, C(17)H(18)N(2)O(5)S, the dihedral angle between the aromatic rings is 68.59?(10)° and the C-S-N-C torsion angle is -81.84?(18)°. The mol-ecular conformation is stabilized by an intra-molecular N-H?O hydrogen bond, generating an S(6) ring. In the crystal, mol-ecules are linked by C-H?O and O-H?O hydrogen bonds into a three-dimensional network.

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