Crystal structure of potassium [4-amino-5-(benzo[d]thia-zol-2-yl)-6-(methyl-sulfan-yl)pyrimidin-2-yl](phenyl-sulfon-yl)aza-nide di-methyl-formamide monosolvate hemihydrate

Azzam, Rasha A. ORCID; Elgemeie, Galal H.; Osman, Rokia R.; Jones, Peter G.

The title compound, K+·C18H14N5O2S3 -·C3H7NO·0.5H2O, was obtained in a reaction designed to deliver a neutral 2-pyrimidylbenzo-thia-zole. The anion is deprotonated at the sulfonamide nitro-gen. The asymmetric unit of the title compound contains two potassium cations, two anions, two mol-ecules of DMF and one of water. The anions display some conformational differences but each contains an intra-molecular N-H⋯Nbenzo-thia-zole hydrogen bond. The potassium ions both display a highly irregular six-coordination, different for each potassium ion. The anions, together with the DMF and water mol-ecules, are linked by four classical hydrogen bonds to form chains parallel to the b-axis direction.

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Azzam, Rasha / Elgemeie, Galal H. / Osman, Rokia R. / et al: Crystal structure of potassium [4-amino-5-(benzo[d]thia-zol-2-yl)-6-(methyl-sulfan-yl)pyrimidin-2-yl](phenyl-sulfon-yl)aza-nide di-methyl-formamide monosolvate hemihydrate. 2019. International Union of Crystallography.

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