Catalytic and stoichiometric oxoiron(IV) assisted oxidation of hydrocynnamaldehyde under air
作者： Flóra Viktória Csendes , József Kaizer
DOI: 10.1016/J.POLY.2020.114505
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摘要: Abstract Nonheme iron(II) complexes, [(N4Py)FeII(CH3CN)](ClO4)2 (1) and [(N4Py*)FeII(CH3CN)](ClO4)2 (2) with pentadentate tetrapyridyl ligands (N4Py = N,N′-bis(2-pyridylmethyl)-N-bis(2-pyridyl)methylamine, N4Py* = N,N-bis(2-pyridylmethyl)-1,2-di(2-pyridyl)ethylamine) have been shown to catalyze the oxidation of hydrocinnamaldehyde (HCA) H2O2 under air resulting hydrocinnamic acid as predominant product phenylacetaldehyde, phenethyl alcohol benzaldehyde side-products a result free-radical chain process via formation reactive phenylpropionyl radical its consecutive reaction molecular oxygen. The stoichiometric HCA in situ generated high-valent oxoiron(IV) species was also investigated based on catalytic results plausible mechanism including free intermediate (FeIV O) rebound non-rebound routes proposed.
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