Abstract
The reaction of 5-hydroxy-6-methyluracil with peroxy radicals generated by the thermal decomposition of azodiisobutyronitrile was studied at 75 °C in ethanol, propan-2-ol, and dimethyl sulfoxide. The stoichiometry of the reaction is 1: 1. The reaction product is dihydro-6-hydroxy-6-methylpyrimidine-2,4,5-trione in an anhydrous solvent or dihydro-5,5,6-trihy-droxy-6-methylpyrimidine-2,4-dione in the presence of water. The rate constant for the reaction of 5-hydroxy-6-methyluracil with the peroxy radicals is ∼108 L mol−1 s−1.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2223–2227, November, 2008.
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Kabalnova, N.N., Grabovskiy, S.A., Nugumanov, T.R. et al. 5-Hydroxy-6-methyluracil as an efficient scavenger of peroxy radicals. Russ Chem Bull 57, 2265–2270 (2008). https://doi.org/10.1007/s11172-008-0318-y
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DOI: https://doi.org/10.1007/s11172-008-0318-y