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2-Methyl-12H-benzimidazo[2,1-b][1,3]benzothia-zin-12-one.

ABSTRACT: In the title compound, C(15)H(10)N(2)OS, prepared by the reaction of 2-iodo-5-methyl-benzoyl chloride with 2-mercaptobenzimidazole, the four-membered fused-ring system is essentially planar [maximum deviation from the least-squares plane = 0.137?(6)?Å]. The crystal packing is stabilized by weak inter-molecular ?-? inter-actions [minimum ring centroid separation = 3.536?(4)?Å] and weak C-H?? inter-actions.

SUBMITTER: Wang Z

PROVIDER: S-EPMC3239128 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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2-Methyl-12H-benzimidazo[2,1-b][1,3]benzothia-zin-12-one.

Wang Zhiming Z Yu Bin B Li Shen S Zou Caihong C Sun Xiaoqiang X

Acta crystallographica. Section E, Structure reports online 20111130 Pt 12

In the title compound, C(15)H(10)N(2)OS, prepared by the reaction of 2-iodo-5-methyl-benzoyl chloride with 2-mercaptobenzimidazole, the four-membered fused-ring system is essentially planar [maximum deviation from the least-squares plane = 0.137 (6) Å]. The crystal packing is stabilized by weak inter-molecular π-π inter-actions [minimum ring centroid separation = 3.536 (4) Å] and weak C-H⋯π inter-actions. ...[more]

PMID: 22199976

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3-Fluoro-12H-benzimidazo[2,1-b][1,3]benzothia-zin-12-one.

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6-Bromo-1-methyl-1H-2,1-benzothia-zin-4(3H)-one 2,2-dioxide.

Project description:In the crystal structure of the title compound, C(9)H(8)BrNO(3)S, the thia-zine ring is in the twisted form. In the crystal, pairs of inter-molecular C-H?O hydrogen bonds form inversion dimers with an R(2) (2)(8) ring motif. Weak inter-molecular C-H?Br and C-H?? inter-actions are also present.

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6-Bromo-1-ethyl-1H-2,1-benzothia-zin-4(3H)-one 2,2-dioxide.

Project description:In the title compound, C(10)H(10)BrNO(3)S, the S atom is four-coordinated in a distorted tetra-hedral configuration with nearly equal S=O bond distances; the S-C and S-N bond lengths are 1.755?(3) and 1.649?(3)?Å, respectively. The heterocyclic thia-zine ring adopts a twist conformation. Adjacent mol-ecules are attached to each other through inter-molecular C-H?O hydrogen bonds, forming R(2) (2)(8) and R(2) (2)(14) ring motifs. The mol-ecules are stabilized by intra- and inter-molecular hydrogen bonds, forming a three-dimensional polymeric network.

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3,3-Dichloro-1-ethyl-1H-2,1-benzothia-zin-4(3H)-one 2,2-dioxide.

Project description:In the title compound, C(10)H(9)Cl(2)NO(3)S, the S atom, which is a component atom of a heterocyclic ring, shows tetra-hedral coordination. The heterocyclic ring is not planar.

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