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Kinetics and mechanism of oxidation of L-phenylalanine by alkaline permanganate

Panari R.G., Chougale R.B., Nandibewoor S.T.

Polish Journal of Chemistry

1998

Vol. 72, nr 1

99-107

The data suggest that the oxidation of L-phenylalanine proceeds via the formation of a complex between L-phenylalanine and permanganate which decomposes slowly, followed by a fast reaction between the free radical of L-phenylalanine and another molecule of permanganate to give the products. The reaction constants involved in the mechanism are derived. There is a good agreement between the observed and calculated rate contants at varying conditions of experiments. The activation parameters are computed with respect to the slow step of the mechanism.