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Issue 23, 2014
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Effective catalytic disproportionation of aqueous H2O2 with di- and mono-nuclear manganese(II) complexes containing pyridine alcohol ligands

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Abstract

The two novel manganese(II) complexes with 2-hydroxymethylpyridine (2-CH2OHpy) {[Mn2(μ-Cl)2(2-CH2OHpy)4]Cl2·2H2O (1)} and 2-hydroxyethylpyridine (2-(CH2)2OHpy) {[Mn(2-(CH2)2OHpy)2(NCS)2] (2)} were synthesized and characterized by means of X-ray diffraction, IR, EPR, HF EPR spectroscopy, magnetic and TG/DTG data. The complexes show catalase-like activity in neutral aqueous solution since they were able to disproportionate H2O2 to harmless H2O and O2. Both complexes act as true catalysts since they reverted to their original form after depleting all the H2O2, as suggested by the operando resonant inelastic X-ray spectroscopy (RIXS) measurements.

Graphical abstract: Effective catalytic disproportionation of aqueous H2O2 with di- and mono-nuclear manganese(ii) complexes containing pyridine alcohol ligands

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Publication details

The article was received on 21 Nov 2013, accepted on 12 Dec 2013 and first published on 13 Dec 2013


Article type: Paper
DOI: 10.1039/C3DT53288G
Citation: Dalton Trans., 2014,43, 8599-8608
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    Effective catalytic disproportionation of aqueous H2O2 with di- and mono-nuclear manganese(II) complexes containing pyridine alcohol ligands

    M. Zienkiewicz, A. Jabłońska-Wawrzycka, J. Szlachetko, Y. Kayser, K. Stadnicka, W. Sawka-Dobrowolska, J. Jezierska, B. Barszcz and J. Sá, Dalton Trans., 2014, 43, 8599
    DOI: 10.1039/C3DT53288G

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