The hydroxylation of hydrocarbon with PhIO catalyzed by nine derivatives of substituted m-oxo-bis-iron(III) porphyrins under room temperature and atomsphere is studied. It is shown that there exists a linear relationship between the rate constants of the reactions and the constants of substituents on porphyrin ring. The product distributions and kinetic properties of the reactions are found to be dependent on the reaction temperature, solvent as well as the atomsphere Meanwhile, the oxidation of these porphyrins with PhIO, a reaction contending with the hydroxylation, is also studied.

Key words: CATALYSIS, OXIDATION, CYTOCHROME, METAL COMPLEX, CYCLOHEXANE, CYCLOHEXANONE, CYCLOHEXANOL, HYDROXYLATION, PORPHYRIN