Abstract
We report the reactivity of three binuclear non-heme Fe(III) compounds, namely [Fe2(bbppnol)(μ-AcO)(H2O)2](ClO4)2 (1), [Fe2(bbppnol)(μ-AcO)2](PF6) (2), and [Fe2(bbppnol)(μ-OH)(Cl)2]·6H2O (3), where H3bbppnol = N,N′-bis(2-hydroxybenzyl)-N,N′-bis(2-methylpyridyl)–1,3-propanediamine-2-ol, toward the hydrolysis of bis-(2,4-dinitrophenyl)phosphate as models for phosphoesterase activity. The synthesis and characterization of the new complexes 1 and 3 was also described. The reactivity differences observed for these complexes show that the accessibility of the substrate to the reaction site is one of the key steps that determinate the hydrolysis efficiency.
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Acknowledgments
The authors are grateful to Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), Fundação Araucária, Fundação da Universidade Federal do Paraná (FUNPAR) and Universidade Federal do Paraná (UFPR) for the financial support and fellowships. They gratefully acknowledge Msc. Geraldo R. Friedermann and Dr Antonio S. Mangrich for the EPR facilities and analyses.
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Piovezan, C., da Silva Lisboa, F., Nunes, F.S. et al. Phosphodiester hydrolysis promoted by dinuclear iron(III) complexes. Transition Met Chem 36, 79–85 (2011). https://doi.org/10.1007/s11243-010-9437-z
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DOI: https://doi.org/10.1007/s11243-010-9437-z