Abstract
Cobalt, chromium, and vanadium acetylacetonates catalyze efficient hydroperoxide oxidation of alkylarenes under mild conditions (20°C). The process takes place with either conservation, or destruction of carbon backbone of the hydrocarbon. Oxidizing agents are oxygen generated in the system, as well as tert-butylperoxy radicals. In the formation of end products alkylperoxy radicals originating in the substrates, tert-butylperoxy radicals, as well as metal-containing peroxides are involved. For the oxidative degradation processes a recombination reaction of the alkylperoxy radicals is suggested with the intermediate formation of 1,2-dioxetanes.
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