Vesna Tralić-Kulenović

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Novel derivatives of 6-amino-2-phenylbenzothiazole bearing different substituents (amino, dimethylamino or fluoro) on the phenyl ring were prepared as the corresponding hydrochloride salts. 6-Nitro-2-(substituted-phenyl)benzothiazoles (1-6) were synthesized by condensation reactions of substituted benzaldehydes with 2-amino-5-nitrothiophenol. Nitro(More)
The title compound, C(8)H(12)N(2)O(3)S(2), has been isolated as a by-product in the synthesis of methyl-ene blue dye. The compound crystallizes with four independent mol-ecules in the unit cell (Z'= 4). The zwitterionic form of the mol-ecule was established on the basis of the hydrogen atom located at the dimethyl-amino group. The crystal structure is(More)
The title compound, C(8)H(12)N(2)O(3)S(2), has been isolated as an inter-mediate in the synthesis of methyl-ene blue dye, the best known phenothia-zine dye, and structurally characterized as a zwitterion. The crystal structure is dominated by inter-molecular N-H⋯O hydrogen bonds between the amine and sulfothio-ate groups, with graph-set motif C(9)R(2)(More)
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