Abstract
The kinetics of the oxidation of uracil and six of its derivatives (thymine, 6-methyluracil, 5-bromo-6-methyluracil, 5-nitro-6-methyluracil, 1,3-dimethylthymine, and 5-hydroxy-1,3,6-trimethyluracil) by ozone in aqueous solutions is studied via spectrophotometry. It is shown that the reactions proceed according to a second-order kinetic law. The temperature dependence of the second-order rate constants is investigated, and the activation parameters of the reaction are determined in the range of 285–309 K.
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