Kinetics and mechanism of the oxidation of pyridine by Caro's acid catalyzed by ketones

  title={Kinetics and mechanism of the oxidation of pyridine by Caro's acid catalyzed by ketones},
  author={A. Gallopo and J. Edwards},
  journal={Journal of Organic Chemistry},
The kinetics of the oxidation of pyridine by peroxomonosulfate ion catalyzed by acetone and cyclohexanone has been investigated. The oxidation product was identified as pyridine 1-oxide, and the yield was found to be pH dependent. The rate law for the pyridine oxidation was shown to be -d[Py]/dt = KlK2klkz[Py][HOOSO3-] [OH-][ketone]/(k,[H0OSO3~] + k,'K3[OH-] [HOOSOJ + k b [ P y ] ) . A mechanism involving a dioxirane intermediate which is consistent with the rate law has been postulated… Expand
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