New mononuclear amino triphenolate iron(III) complexes have been synthesized and characterized (UV-visible spectroscopy, cyclic voltammetry, ESI-MS and 1H-NMR, X-ray). These complexes act as biomimetic catalysts promoting the aerobic auto-oxidation of 3,5-di-tert-butylcatechol to the corresponding o-benzoquinone at room temperature and displaying catalase activity for the hydrogen peroxide dismutation with a remarkable activity (TON up to 4000).
Mononuclear Iron(III) Complexes as Functional Models of Catechol Oxidases and Catalases
BADETTI, ELENA;GJOKA, BLERINA;ZONTA, CRISTIANO;LICINI, GIULIA MARINA
2015
Abstract
New mononuclear amino triphenolate iron(III) complexes have been synthesized and characterized (UV-visible spectroscopy, cyclic voltammetry, ESI-MS and 1H-NMR, X-ray). These complexes act as biomimetic catalysts promoting the aerobic auto-oxidation of 3,5-di-tert-butylcatechol to the corresponding o-benzoquinone at room temperature and displaying catalase activity for the hydrogen peroxide dismutation with a remarkable activity (TON up to 4000).
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