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4-Methyl-N-[(S)-1-phenyl-eth-yl]benzene-sulfonamide.

ABSTRACT: In the title compound, C(15)H(17)NO(2)S, the dihedral angle between the aromatic rings is 14.47 (8)°. The mol-ecule is bent at the N atom, with a C-SO2-NH-C torsion angle of 79.06 (13)°. In the crystal structure, the sulfonamide groups are hydrogen bonded via N-H⋯O links, forming chains of mol-ecules along the crystallographic b axis. π-π inter-actions [centroid-centroid distance = 3.81 (3) Å] also occur.

SUBMITTER: Kelesoglu Z

PROVIDER: S-EPMC3007974 | biostudies-literature |

REPOSITORIES: biostudies-literature

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4-Methyl-N-(4-methyl-phenyl-sulfon-yl)-N-phenyl-benzene-sulfonamide.

Project description:The whole mol-ecule of the title compound, C20H19NO4S2, is generated by twofold rotational symmetry. The N atom is located on the twofold rotation axis and has a trigonal-planar geometry. It is bonded by two S atoms of two symmetry-related 4-methyl-phenyl-sulfonyl groups and by the C atom of the phenyl ring, which is bis-ected by the twofold rotation axis. The benzene and phenyl rings are oriented at a dihedral angle of 51.48?(5)° while the pendant benzene rings are inclined to one another by 87.76?(9)°. In the crystal, weak C-H?O hydrogen bonds link the mol-ecules, forming a three-dimensional network.

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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.

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Project description:In the title compound, C(14)H(16)N(2)O(3)S, the dihedral angle between the phenyl and 5-methyl-furan groups is 54.89?(14)° and the C=N bond assumes a trans conformation. In the crystal, inversion dimers linked by pairs of N-H?O hydrogen bonds generate R(2) (2)(8) ring motifs. The dimers are inter-linked by N-H?N hydrogen bonds, resulting in the formation of infinite chains extending along the b axis. The packing is consolidated by weak C-H?? inter-actions.

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N,N-Bis(2-hy-droxy-eth-yl)-4-methyl-benzene-sulfonamide.

Project description:In the title compound C(11)H(17)NO(4)S, an intra-molecular O-H?O hydrogen bond forms an S(8) ring and determines the conformation of the bis-(2-hy-droxy-eth-yl) segment of the mol-ecule, holding the two CH(2)CH(2)OH groups close to coplanar (r.m.s. deviation = 0.185?Å). In the crystal, O-H?O hydrogen bonds link the mol-ecules into zigzag chains along the b axis. Weaker additional C-H?O and C-H?? contacts generate a three dimensional network, with mol-ecules stacked along the b-axis direction.

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Project description:The mol-ecule of the title heterocyclic compound, C(16)H(17)N(3)O(3)S, is bent at the S atom with an C-SO(2)-NH-C torsion angle of 80.17?(8)°. The phenyl substituent at the S atom is rotated out of the plane of the 1H-indazole ring [inter-planar angle = 46.24?(8)°]. In the crystal, inter-molecular N-H?N and N-H?O hydrogen bonds build up a ribbon developing parallel to the b-axis direction. C-H?O hydrogen bonds link these ribbons, forming a layer parallel to the bc plane.

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Project description:With respect to the planar five-membered ring of the title compound, C(16)H(15)N(3)O(2)S, the phenyl ring is aligned at 47.0?(1)° and the phenyl-ene ring at 37.6?(1)°. The amino group has the N atom in a pyramidal geometry; the group is a hydrogen-bond donor to the sulfonyl O atom of one mol-ecule and to the pyrazole N atom of another mol-ecule, resulting in the formation of a layer parallel to the bc plane.

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