Autocatalysis in the sodium perborate oxidation of anilines in acetic acid–ethylene glycol

Add time:08/13/2019    Source:sciencedirect.com

Solutions of sodium perborate (SPB) in glacial acetic acid yield peracetic acid on aging and the peracetic acid oxidation of anilines to azobenzenes is very fast. SPB on dissolution in ethylene glycol affords hydrogen peroxide along with a borate; the oxidation in ethylene glycol–acetic acid is zero order in the oxidizing agent, first order with respect to the borate formed and exhibits Michaelis–Menten dependence on [anilines] except those with highly electron releasing substituent. The borate formed coordinates with anilines and catalyzes the oxidation.

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