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KMID : 1059519850290040448
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Journal of the Korean Chemical Society
1985 Volume.29 No. 4 p.448 ~ p.451
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Kinetics on the Reaction of 3,5-Diaryl-1,2,4-dithiazolium Triodide with Hydrazine
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Park Moon-Hwan
Kim Chang-Seok
Hong Soon-Yung
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Abstract
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Pseudo first-order rate constants for reactions of seven m- or p- phenyl-ring substituted 3,5-diphenyl 1,2,4-dithiazolium triodides with hydrazine in excess, in pyridine, were determined by a UV spectrophotometry. For these reactions, calculated some activation parameters, identified the reaction products, and investigated the effect of substituent on the reaction rate. These reactions were accelerated by electron-withdrawing substituents and obeyed the Hammett rule. From the observed kinetics, a reaction mechanism was proposed.
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