6-Substituted 2-(2-benzothiazolyl) [1, 2, 3] benzotriazol-1-oxides and the kinetics of their formation |
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| Authors: | Milan Potá?ek Alois Kuka?ka Milo? Petr? Amalia Manolopulu and Josef Havel |
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| Institution: | (1) Department of Organic Faculty of Science, Masaryk University, CZ-611 37 Brno, Czech Republic;(2) Analytical Chemistry Faculty of Science, Masaryk University, CZ-611 37 Brno, Czech Republic |
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| Abstract: | 6-Substituted 2-(2-benzothiazolyl) 1, 2, 3] benzotriazol-1-oxides were prepared by a base catalyzed cyclization reaction of 2-(4-substituted 2-nitrophenylhydrazino) benzothiazoles. Influence of substitution in position 4 on the cyclization reaction rate was followed and correlated with Hammett constants. |
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