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• W2077475436 abstract "2-Methyl-2-propanesulfenic acid readily undergoes self-condensation to give S-t-butyl 2-methyl-2-propane-thiosufinate. Rates of the reaction were measured in aqueous acetonitrile solution by use of NMR and UV spectroscopy. The reaction is second order in the substrate. The half-life in a neutral aqueous solution is about 150 hours at 35°C when the initial substrate concentration is 0.003 M. The rate is proportional to acid concentration in the range 0.004–0.2 M. In alkaline solution, the main reaction is self-condensation but some side reactions also seem to occur. The disappearance of the substrate does not follow satisfactory second-order kinetics, but the second-order rate constants obtained by the time-lag method show a maximum around pH 10–11. The pKa (10.47) of the sulfenic acid was obtained at 14°C from a sig-moid curve of the initial absorbances (240 nm) determined by extrapolation of the time-dependent curve." @default.
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• W2077475436 date "1992-10-01" @default.
• W2077475436 modified "2023-09-23" @default.
• W2077475436 title "Equilibrium and kinetic studies of reactions of 2-methyl-2-propanesulfenic acid" @default.
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• W2077475436 doi "https://doi.org/10.1002/hc.520030520" @default.
• W2077475436 hasPublicationYear "1992" @default.
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