Bulletin of the Chemical Society of Japan p. 2507 - 2510 (1981)
Update date:2022-08-17
Topics:
Mahapatro, Surendra Nath
Panda, Abhina Kumar
Panigrahi, Ganesh Prasad
The oxidation of 3-aminopyridine to 3,3'-azoxypyridine by peroxomonophosphoric acid (PMPA) is a total second order reaction: first order each in peroxomonophosphoric acid and 3-aminopyridine at constant acidity.The observed pH-rate profile has been rationalized invoking various PMPA species, protonated and unprotonated forms of 3-aminopyridine as the reactive species and their reactivities have been estimated.Interestingly, 2-aminopyridine is not oxidized in the pH-range where the oxidation of 3-aminopyridine is facile.
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