Abstract
The reaction of Fe(NO3)3·9H2O, sodium thiocyanate, and N-(2-pyridylmethyl)iminodiisopropanol (H2pmidip) in methanol/water mixture solution leads to the formation of a mononuclear iron(III) compound of [FeIII(Hpmidip)(NCS)2] (1). The iron ion of 1 has a distorted octahedral structure that is bonded by two thiocyanate anions and one Hpmidip- ligand. One of the two hydroxyl moieties in H2pmidip is deprotonated, while the other is involved in hydrogen bonding interactions to form a dimeric structure. The magnetic properties of 1 reveal a very weak antiferromagnetic interaction within the dimer with parameters J = -0.75 cm−1 and g = 2.068. 1 showed that the catalytic oxidations for a variety of olefins are selective and effective with moderate yields using meta-chloroperoxybenzoic acid (m-CPBA). For the identification of the mechanism for olefin epoxidation in 1, the OO bond cleavage of peroxyphenylacetic acid (PPAA) and competitive experiments of cis- and trans-2-octene have been investigated.
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