Abstract

Abstract A mononuclear peroxocarbonato–iron(III) complex [Fe(6Me-pic)2(O2C(O)O)]− (1-O2C(O)O) with bidentate ligands (6Me-pic), prepared by the reaction of a carbonato–iron(III) complex [Fe(6Me-pic)2(CO3)]− (1-CO3) with H2O2, was fully characterized. 1-O2C(O)O showed reversible O–O bond cleavage and reformation of the peroxo group under CO2 at 25 °C. 1-O2C(O)O is capable of not only oxidizing the C=C bond of cyclooctene but also the C–H bond of toluene. As for cyclooctene, epoxidation is favorable under CO2 in the presence of H2O, while cis-dihydroxylation precedes under N2, indicating that the oxidation reactivity of 1-O2C(O)O toward cyclooctene can be tuned by changing the concentration of CO2 and H2O.

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