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The mechanism of the 2,2,6,6-tetramethylpiperidin-1-oxyl (TEMPO) mediated oxidation of benzyl alcohol in alkaline tert-butanol/water mixtures has been investigated in order to understand the preferred conditions for the mediated oxidation of alcohols in an electrochemical microflow reactor. It is shown that TEMPO and the corresponding hydroxylamine both undergo facile oxidation to the oxoammonium...
A new TEMPO-mediated catalytic oxidation method in combination with Py·HBr 3 (stoichiometric) is developed for oxidation of secondary alcohols to the corresponding ketones. The performance of this oxidizing system is better compared with that of TEMPO method combined with R 4 NBr 3 . Poly(4-vinylpyridine)·HBr 3 can be used in place of Py·HBr 3 . The electron-withdrawing...
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