Reaction of the ligand 2-(N-isopropyl-N-{(2-pyridyl)methyl}aminomethyl)-6-(N-(carboxymethyl)-N-((2-pyridyl)-methyl)aminomethyl)-4-methylphenol (H 2 IPCPMP) with two equivalents of Fe(ClO 4 ) 2 and two equivalents of sodium pivalate in air leads to the formation of the l-oxido, l-carboxylato-bridged diiron complex [{Fe(H-IPCPMP)} 2 (l-O)(Piv)]ClO 4 (1) (Piv = pivalate). Complex 1 is capable of catalysing the oxidation of cyclohexane or 1,2-cis-dimethylcyclohexane by hydrogen peroxide, leading to the formation of the corresponding cyclohexanone and cyclohexanol, as well as a small amount of cyclohexyl hydroperoxide.

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