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4-Methyl-N-(4-methyl-phen-yl)benzene-sulfonamide.

ABSTRACT: In the title compound, C(14)H(15)NO(2)S, the two aromatic rings enclose a dihedral angle of 70.53 (10)°. A weak intra-molecular C-H⋯O hydrogen bond generates an S(6) ring motif. The crystal structure features inversion-related dimers linked by pairs of N-H⋯O hydrogen bonds.

SUBMITTER: Khan IU

PROVIDER: S-EPMC2983966 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N-(2-Methyl-phen-yl)benzene-sulfonamide.

Project description:In the title compound, C(13)H(13)NO(2)S, the conformation of the N-H bond is anti to the ortho-methyl group on the aniline ring, in contrast to the syn conformation observed with respect to the ortho-chloro group in N-(2-chloro-phen-yl)benzene-sulfonamide. The dihedral angle between the two benzene rings is 61.5 (1)°. Mol-ecules are linked into chains running along the a axis by N-H⋯O hydrogen bonds.

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4-Methyl-N-(3-methyl-phen-yl)benzene-sulfonamide.

Project description:In the title compound, C(14)H(15)NO(2)S, the conformation of the N-C bond in the C-SO(2)-NH-C segment has gauche torsion angles with respect to the S=O bonds. Further, the conformation of the N-H bond is anti to the 3-methyl group in the aniline benzene ring. The mol-ecule is bent at the N atom with a C-SO(2)-NH-C torsion angle of 56.7?(3)°. The dihedral angle between the benzene rings is 83.9?(1)°. In the crystal, inter-molecular N-H?O hydrogen bonds pack the mol-ecules into a supra-molecular structure.

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

Project description:In the title compound, C(14)H(15)NO(2)S, the dihedral angle between the aromatic rings is 49.7?(1)°. In the crystal, inversion dimers linked by pairs of N-H?O hydrogen bonds occur.

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N-(2-Bromo-phen-yl)-4-methyl-N-(4-methyl-phen-ylsulfon-yl)benzene-sulfonamide.

Project description:In the title compound, C(20)H(18)BrNO(4)S(2), the mean planes formed by the toluene substituents are inclined at a dihedral angle of 45.34?(8)°. The bromo-benzene group is disordered over two positions with an occupancy ratio of 0.74:0.26, resulting in two conformations of the ring; the two rings are oriented at a dihedral angle of 6.6?(6)° with each other. In the crystal structure, weak C-H?O inter-actions connect the mol-ecules in a zigzag manner along the a axis.

| S-EPMC3200778 | biostudies-literature

N-Ethyl-N-(4-methyl-phen-yl)benzene-sulfonamide.

Project description:The title compound, C(15)H(17)NO(2)S, is twisted at the S-N bond with a C-S-N-C torsion angle of 73.90?(14)°. The dihedral angle between the aromatic rings is 36.76?(11)°.

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N-(3,5-Dimethyl-phen-yl)-4-methyl-benzene-sulfonamide.

Project description:In the title compound, C(15)H(17)NO(2)S, the dihedral angle between the two aromatic rings is 53.9?(1)°. The crystal structure features inversion-related dimers linked by N-H?O hydrogen bonds.

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

Project description:In the title compound, C(15)H(17)NO(2)S, the mol-ecule is bent at the S atom with a C-SO(2)-NH-C torsion angle of 71.6?(1)°. The two benzene rings are tilted by 47.0?(1)° relative to each other. The crystal structure features inversion-related dimers linked by pairs of N-H?O hydrogen bonds.

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

Project description:In the title compound, C(15)H(17)NO(2)S, the mol-ecule is bent at the S atom, the C-SO(2)-NH-C torsion angle being 88.0?(2)°. The dihedral angle between the two aromatic rings is 49.8?(1)°. In the crystal, mol-ecules are linked into zigzag chains parallel to the a axis via N-H?O hydrogen bonds.

| S-EPMC2979196 | biostudies-literature

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

Project description:The asymmetric unit of the crystal of the title compound, C(15)H(17)NO(2)S, contains two independent mol-ecules, which are twisted at the S-N bonds with C-SO(2)-NH-C torsion angles of 48.3?(2) (mol-ecule 1) and -75.7?(3)° (mol-ecule 2). The dihedral angles between the benzene rings are 72.0?(1) (mol-ecule 1) and 78.3?(1)° (mol-ecule 2). The crystal structure features inversion dimers linked by pairs of N-H?O hydrogen bonds.

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N-(3,4-Dichloro-phen-yl)-4-methyl-benzene-sulfonamide.

Project description:In the title compound, C(13)H(11)Cl(2)NO(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 64.3?(4)°. Furthermore, the conformation of the N-H bond and the meta-chloro group in the adjacent benzene ring are anti to each other. The two benzene rings are tilted relative to each other by 82.5?(1)°. In the crystal, mol-ecules are linked by pairs of N-H?O(S) hydrogen bonds, forming inversion dimers.

| S-EPMC3050347 | biostudies-literature

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