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N-{[4-(4-Meth-oxy-benzene-sulfonamido)-phen-yl]sulfon-yl}acetamide.

ABSTRACT: In the title compound, C(15)H(16)N(2)O(6)S(2), the dihedral angle between the benzene rings is 83.2 (3)°. The mol-ecular conformation is stabilized by an intra-molecular C-H⋯O inter-action. In the crystal structure, mol-ecules are linked by N-H⋯O and C-H⋯O hydrogen bonds and additional stabilization is provided by weak C-H⋯π inter-actions.

SUBMITTER: Mustafa G

PROVIDER: S-EPMC3006991 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N-(4-Meth-oxy-2-nitro-phen-yl)-N-(methyl-sulfon-yl)acetamide.

Project description:In the title compound, C(10)H(12)N(2)O(6)S, the nitro group is twisted slightly out of the plane of the aromatic ring, forming a dihedral angle of 20.79 (1)°. In the crystal, the mol-ecules arrange themselves as a chain along the a axis through inter-molecular C-H⋯O inter-actions.

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N-(2-Formyl-phen-yl)-4-meth-oxy-N-(4-meth-oxy-phenyl-sulfon-yl)benzene-sulfonamide.

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Project description:The title mol-ecule, C(26)H(30)O(9)S(3), adopts an extended conformation whereby two approximately parallel benzene rings [dihedral angle = 8.32?(10)°] are orientated in opposite directions along the pseudo-threefold axis through the central quaternary C atom, while a third ring occupies a position mid-way and face-on to these rings [dihedral angles = 82.28?(10) and 78.81?(7)°]. The crystal packing is dominated by C-H?O contacts and ?-? inter-actions [ring centroid distance = 3.6902?(12)?Å].

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A triclinic polymorph of N-[4-(4-methyl-benzene-sulfonamido)-phenyl-sulfon-yl]acetamide.

Project description:In the asymmetric unit of the title compound, C(15)H(16)N(2)O(5)S(2), there are two symmetry-independent mol-ecules which adopt similar conformations, with dihedral angles between the aromatic rings of 59.30 (8) and 61.81 (8)°, and dihedral angles between acetamide group and the benzene ring of 77.08 (10) and 78.40 (10)°. Each type of mol-ecule forms similar one-dimensional polymeric structures extending along the b axis via N-H⋯O hydrogen bonds. These hydrogen bonds generate two types of centrosymmetric motifs, R(2) (2)(8) and R(2) (2)(20). Moreover C-H⋯O inter-actions assemble the mol-ecules into a three-dimensional framework. The crystal structure was determined from a non-merohedral twin [ratio of the twin components = 0.322 (4):0.678 (4)].

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Project description:In the title compound, C(15)H(16)N(2)O(4)S, the S atom has a distorted tetra-hedral geometry [maximum deviation: O-S-O = 118.25 (7)°]. The two aromatic rings make a dihedral angle of 62.67 (10)° with each other. An intra-molecular N-H⋯O hydrogen bond forms an S(6) ring motif. In the crystal, mol-ecules form centrosymmetric dimers via pairwise N-H⋯O inter-actions, forming an R(2) (2)(8) ring motif, and these dimers are connected by N-H⋯O hydrogen bonds, generating a three-dimensional network. Furthermore, a weak C-H⋯π inter-action helps to reinforce the crystal structure. The O atom in the acetamide group is disordered over two positions with major and minor occupancies of 0.52 (5) and 0.48 (5), respectively.

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4-[(4-Meth-oxy-benzene-sulfonamido)-meth-yl]cyclo-hexane-1-carb-oxy-lic acid.

Project description:In the title compound, C(15)H(21)NO(5)S, two crystallographically independent mol-ecules are linked into a dimer by a pair of N-H⋯O hydrogen bonds, forming an R(2) (2)(8) ring motif. In the crystal, mol-ecules are further linked by inter-molecular O-H⋯O hydrogen bonds into a two-dimensional network parallel to (012). Additional stabilization is provided by weak inter-molecular C-H⋯O hydrogen bonds.

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Crystal structure of methyl (2Z)-2-{[N-(2-formyl-phen-yl)-4-methyl-benzene-sulfonamido]-meth-yl}-3-(4-meth-oxy-phen-yl)prop-2-enoate.

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Project description:In the title compound, C(21)H(18)O(5)S(2), the two sulfur-bound phenyl rings lie on opposite sides of the meth-oxy-phenyl group, making dihedral angles of 77.58?(8) and 87.45?(8)°with it. The dihedral angle between the sulfur-bound phenyl rings is 57.31?(8)°. In the crystal, ?-? stacking is observed between the two sulfur-bound phenyl rings, with a centroid-centroid distance of 3.878?(1)?Å and a dihedral angle of 7.58?(8)°. The mol-ecules are linked by weak C-H?O and C-H?? contacts.

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