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N-(2,6-Dimethyl-phen-yl)-2,4-dimethyl-benzene-sulfonamide.

ABSTRACT: Mol-ecules of the title compound, C(16)H(19)NO(2)S, are bent at the S atom with a C-SO(2)-NH-C torsion angle of -60.0?(2)°. The dihedral angle between the phenyl-sulfonyl and aniline rings is 41.7?(1)°. In the crystal, mol-ecules are packed into centrosymmetric dimers through pairs of N-H?O(S) hydrogen bonds.

SUBMITTER: Nirmala PG

PROVIDER: S-EPMC3200847 | BioStudies | 2011-01-01T00:00:00Z

REPOSITORIES: biostudies

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2,4-Dichloro-N-(2,6-dimethyl-phen-yl)benzene-sulfonamide.

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Project description:In the title compound, C(14)H(14)ClNO(2)S, the conformation of the N-C bond in the C-SO(2)-NH-C segment has gauche torsions with respect to the S=O bonds. The mol-ecule is bent at the S atom with a C-SO(2)-NH-C torsion angle of -54.9?(2)°. The sulfonyl and aniline benzene rings are rotated relative to each other by 75.7?(1)°. An intra-molecular N-H?Cl hydrogen bond is present. In the crystal, inter-molecular N-H?O hydrogen-bonding inter-actions are observed and the mol-ecules are packed into chains parallel to the b axis.

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N-(2,4-Dichloro-phen-yl)-4-methyl-benzene-sulfonamide.

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Project description:In the title compound, C(14)H(13)Cl(2)NO(2)S, the mol-ecule is bent at the S atom with an C-SO(2)-NH-C torsion angle of -69.9?(2)°. The dihedral angle between the sulfonyl and aniline benzene rings is 44.0?(1)°. The crystal structure features inversion dimers linked by pairs of N-H?O hydrogen bonds. An intra-molecular N-H?Cl hydrogen bond is also observed.

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Project description:The asymmetric unit of the title compound, C(15)H(16)ClNO(2)S, contains three independent moleules. The conformation of the N-H bonds are anti to the ortho-methyl groups of the sulfonyl benzene rings in all the mol-ecules. The sulfonyl and the aniline benzene rings are tilted relative to each other by 43.0?(2), 37.0?(2) and by 46.0?(1)° in the three mol-ecules. In the crystal, inter-molecular N-H?O hydrogen bonds link each of the mol-ecules into centrosymmetric dimers.

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