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1 Polish Journal of Chemical Technology

1 2012

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Meso-tetraphenylporphyriniron(iii) chloride catalyzed oxidation of aniline and its substituents by magnesium monoperoxyphthalate in aqueous acetic acid medium

Raja M., Kulandaivelu K.

Polish Journal of Chemical Technology

2012

Vol. 14, nr 4

35-41

The catalytic properties of the fi rst generation catalyst meso-tetraphenylporphyriniron(III) chloride and magnesium monoperoxyphthalate (MMPP) as oxidant have been studied in the oxidation of aniline and its substituents in acetic acid medium. The thermodynamic parameters for the oxidation have been determined and discussed. It confi rms the Exner relationship (only at the low range of temperatures) and also some of the activation parameters to the isokinetic relationships. The magnesium monoperoxyphthalate oxidation with 18 ortho- meta- and para-substituted anilines fulfi lls with isokinetic relationship but not to any of the linear free energy relationships. The reaction mechanism and the rate law were proposed.