OH radicals, produced by the electrochemical reduction of solutions containing both oxygen and iron(III) oxidize cyclohexane to cydohexanone int-BuOH/H2O/HCl media; in some experiments cyclohexanol was also produced. The use of a non-chloride medium or the use of Ti(III) instead of Fe(II) leads to a remarkable decrease in the yields. These results are interpreted by a mechanism involving the intermediate formation of Cl radicals.
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Tomat, R., Rigo, A. Oxidation of cyclohexane to cyclohexanone via the electrochemical reduction of molecular oxygen: the HCl effect. J Appl Electrochem 10, 549–552 (1980). https://doi.org/10.1007/BF00614089
- Physical Chemistry