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5-Methyl-N-(1,3-thia-zol-2-yl)isoxazole-4-carboxamide.

ABSTRACT: In the title compound, C8H7N3O2S, the dihedral angle between the thia-zol and isoxazole rings is 34.08 (13)°. In the crystal, the mol-ecules are linked by pairs of N-H⋯N hydrogen bonds, forming inversion dimers, and C-H⋯O inter-actions, resulting in chains along the b-axis direction.

SUBMITTER: Wang DC

PROVIDER: S-EPMC3684936 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-(2-Methyl-phen-yl)-N-(1,3-thia-zol-2-yl)acetamide.

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Project description:In the title compound, C(13)H(10)N(2)O(2)S, the essentially planar 2H-chromene ring system [maximum deviation = 0.0297?(13)?Å] and the thia-zole ring [maximum deviation = 0.0062?(11)?Å] form a dihedral angle of 3.47?(5)°. In the crystal, N-H?N and C-H?O hydrogen bonds link the mol-ecules into two-dimensional networks parallel to the bc plane. C-H?? and ?-? [centroid-centroid separation = 3.6796?(8)?Å] inter-actions further stabilize the crystal structure.

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Project description:There are two independent mol-ecules in the asymmetric unit of the title compound, C24H22N2O4S3. In each, the sulfonamide N atoms reveal nearly a trigonal-planar geometry with two S atoms of the O=S=O groups and one C atom of the thia-zole ring; the angles around the N atoms are between 117.00?(13) and 123.86?(9)°. The methyl-phenyl-sulfonyl groups are in anti conformations, forming dihedral angles of 78.00?(7)/72.53?(5) and 77.09?(6)/71.50?(7)° with the trigonal S-N-S planes in the two mol-ecules. The thia-zole groups are rotated around the C-N bonds and are almost perpendicular to the S-N-S plane [dihedral angles of 78.00?(7)/72.53?(5) and 77.09?(6)/71.50?(7)°]. In the crystal, pairs of C-H?O inter-actions, with the O atoms of the sulfonamide groups as acceptors, link each of the independent mol-ecules into inversion dimers.

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Project description:In the title compound, C(8)H(10)ClN(3)O(2)S, the oxadiazinane ring is in a sofa conformation with the ring O atom deviating from the best plane of the remaining five atoms by 0.636?(2)?Å. A short intra-molecular C-S?O=C contact [S?O 3.122?(2)?Å, C-S?O 80.0?(2)°] is observed between the two mol-ecular fragments bridged by the methyl-ene group. In the crystal, C-H?O hydrogen bonds link mol-ecules, forming chains along the b axis.

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Phenyl N-(1,3-thia-zol-2-yl)carbamate.

Project description:In the title compound, C(10)H(8)N(2)O(2)S, the planes of the aromatic rings are oriented at a dihedral angle of 66.69?(3)°. In the crystal structure, inter-molecular N-H?N and C-H?O inter-actions link the mol-ecules into a two-dimensional network, forming R(2) (2)(8) ring motifs. ?-? contacts between the thia-zole rings [centroid-centroid distance = 3.535?(1)?Å] may further stabilize the structure. A weak C-H?? inter-action is also found.

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N-(1,3-Benzo-thia-zol-2-yl)acetamide.

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[Bis-(4-methyl-1,3-thia-zol-2-yl-?N)methane]-tricarbonyl-dichlorido-tungsten(II).

Project description:The title compound, [WCl(2)(C(9)H(10)N(2)S(2))(CO)(3)], is a hepta-coordinate tungsten(II) complex with a capped-octa-hedral coordination sphere in which one CO ligand caps a face formed by a chloro ligand and the two other carbonyls. The chloro ligands are mutually trans positioned at an angle of 156.98?(7)°. The chelating bis-(4-methyl-1,3-thia-zol-2-yl)methane ligand coordinates with the imine N atoms. In the crystal, mol-ecules are linked into chains parallel to [201] by weak C-H?O contacts between the CH(2) group of the bis-(4-methyl-thia-zol-2-yl)methane ligand and the O atom of the capping CO group.

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