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N-[2-(3,4-Dimeth-oxy-phen-yl)eth-yl]-N-methyl-benzene-sulfonamide.

ABSTRACT: In the title compound, C(17)H(21)NO(4)S, the phenyl and dimeth-oxy-phenyl rings are almost perpendicular to each other, making a dihedral angle of 82.57 (5)°. The structure is stabilized by inter-molecular C-H⋯O inter-actions and the packing is further enhanced by C-H ⋯π inter-actions.

SUBMITTER: Vennila JP

PROVIDER: S-EPMC3297930 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N-[2-(3,4-Dimeth-oxy-phen-yl)eth-yl]-N,4-dimethyl-benzene-sulfonamide.

Project description:In the title compound, C(18)H(23)NO(4)S, the dihedral angle between the two aromatic rings is 29.14?(7)°. The S atom has a distorted tetra-hedral geometry [106.15?(9)-119.54?(10)°]. The crystal structure exhibits weak C-H?O and ?-? inter-actions.

| S-EPMC3213618 | biostudies-literature

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

Project description:In the title compound, C(15)H(17)NO(3)S, the two aromatic rings make a dihedral angle of 69.42?(9)° with each other and the bridging C-N-S-C torsion angle is 65.76?(16)°. Weak intra-molecular C-H?O inter-actions may affect the mol-ecular conformation. Two neighbouring mol-ecules generate a hydrogen-bonded dimer about a center of inversion through a pair of inter-molecular N-H?O inter-actions, forming an R(2) (2)(8) ring motif. Furthermore, two inter-molecular C-H?? inter-actions contribute to the stability of the crystal packing.

| S-EPMC3006737 | biostudies-literature

N-[2-(3,4-Dimeth-oxy-phenyl)eth-yl]-N-methyl-naphthalene-1-sulfonamide.

Project description:In the title compound, C(21)H(23)NO(4)S, the dihedral angle between the naphthalene residue and the benzene ring is 7.66 (3)°. In the molecule, there are some short C-H⋯O interactions. In the crystal, the structure is stabilized by weak intra-molecular C-H⋯O hydrogen bonds and the crystal structure is stabilized by weak C-H⋯O, C-H⋯π and π-π [centroid-centroid distance = 3.710 (2) Å] inter-actions.

| S-EPMC3297937 | biostudies-literature

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

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

Project description:In the crystal structure of the title compound, C(15)H(17)NO(2)S, the conformations of the N-C bond in the C-SO(2)-NH-C segment are trans and gauche, respectively, 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 -61.8 (2)°. Furthermore, the conformation of the N-H bond and the 3-methyl group in the aniline benzene ring are nearly anti to each other. The dihedral angle between the benzene rings is 47.8 (1)°. In the crystal, N-H⋯O hydrogen bonds link the molecules into chains.

| S-EPMC2969044 | biostudies-literature

N-(4-Meth-oxy-phen-yl)-4-methyl-benzene-sulfonamide.

Project description:In the title compound, C(14)H(15)NO(3)S, the dihedral angle between the aromatic rings is 59.39?(14)° and the C-S-N-C torsion angle is -71.4?(2)°. In the crystal, a supra-molecular chain running along the b axis with a C(4) graph set is formed via N-H?O hydrogen bonds.

| S-EPMC3050146 | biostudies-literature

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

Project description:In the title compound, C(14)H(15)NO(3)S, the geometry around the S atom of the SO(2) group is distorted tetra-hedral. The meth-oxy- and methyl-substituted aromatic rings are oriented at a dihedral angle of 71.39?(9)°. Inter-molecular N-H?O hydrogen bonds form inversion dimers, which stabilize the crystal structure.

| S-EPMC3009290 | biostudies-literature

4-Chloro-N-(3,4-dichloro-phen-yl)-2-methyl-benzene-sulfonamide.

Project description:In the title compound, C(13)H(10)Cl(3)NO(2)S, the N-C bond in the C-SO(2)-NH-C segment forms trans and gauche torsion angles with respect to the S=O bonds. Further, the N-H bond in the C-SO(2)-NH-C segment is anti to the meta-Cl atom in the anilino benzene ring and nearly syn with respect to the ortho-methyl group in the sulfonyl benzene ring. The C-SO(2)-NH-C torsion angle is -49.4 (2)°. The sulfonyl and aniline benzene rings are tilted relative to each other by 54.6 (1)°. In the crystal, mol-ecules are linked into chains along the c-axis direction by inter-molecular N-H⋯O hydrogen bonds.

| S-EPMC3247351 | biostudies-literature

4-Chloro-N-(3,4-dimethyl-phen-yl)-2-methyl-benzene-sulfonamide.

Project description:In the title compound, C(15)H(16)ClNO(2)S, the conformation of the N-C bond in the C-SO(2)-NH-C segment is gauche with respect to the S=O bonds. Further, the N-H bond in the C-SO(2)-NH-C segment is syn with respect to the meta-methyl group in the aniline benzene ring and the ortho-methyl group in the sulfonyl benzene ring. The C-SO(2)-NH-C torsion angle is -49.72 (18)°. The sulfonyl and aniline benzene rings are tilted relative to each other by 71.6 (1)°. The crystal structure features inversion-related dimers linked by pairs of N-H⋯O hydrogen bonds.

| S-EPMC3247343 | biostudies-literature

4-Bromo-2-[1-(4-eth-oxy-phen-yl)-1-methyl-eth-yl]-1-methyl-benzene.

Project description:In title compound, C(18)H(21)BrO, the dihedral angle between two rings is 85.72°. No classical hydrogen bonds are found and only van der Waals forces stabilize the crystal packing.

| S-EPMC3050309 | biostudies-literature

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