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Volumn 47, Issue 24, 2008, Pages 11783-11797

Characterizations of chloro and aqua Mn(II) mononuclear complexes with amino-pyridine ligands. Comparison of their electrochemical properties with those of Fe(II) counterparts

Author keywords

[No Author keywords available]

Indexed keywords

AMINE; ENZYME; FERROUS ION; LIGAND; MANGANESE; METAL; PYRIDINE DERIVATIVE; SUPEROXIDE DISMUTASE;

EID: 60849137875     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic8015172     Document Type: Article
Times cited : (32)

References (106)
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    • Whittaker, J. W. Manganese superoxide dismutases. In Metal Ions in Biological Processes; Sigel, A., Sigel, H., Eds.; Dekker Marcel: New York, 2000; Vol. 37, pp 587-611.
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    • A small group of Mn/FeSOD, termed cambialistic superoxide dismutases, are active with either manganese or iron incorporated into the same active site
    • A small group of Mn/FeSOD, termed cambialistic superoxide dismutases, are active with either manganese or iron incorporated into the same active site.
  • 20
    • 60849119790 scopus 로고    scopus 로고
    • Fe(Mn)SOD (Mn(Fe)SOD) stands for the Fe substituted into the MnSOD protein Mn substituted into the FeSOD protein
    • Fe(Mn)SOD (Mn(Fe)SOD) stands for the Fe substituted into the MnSOD protein (Mn substituted into the FeSOD protein).
  • 35
    • 60849086710 scopus 로고    scopus 로고
    • Despite several attempts, we were not able to obtain crystals of 8 from the electrolyzed solution of 5. Consequently, we decided to obtain species 8 by chemical oxidation of species 6 by 4 equiv. of m-CPBA as the oxidant and in the presence of 10 equiv. of chloride ions.
    • Despite several attempts, we were not able to obtain crystals of 8 from the electrolyzed solution of 5. Consequently, we decided to obtain species 8 by chemical oxidation of species 6 by 4 equiv. of m-CPBA as the oxidant and in the presence of 10 equiv. of chloride ions.
  • 59
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    • Note that the nature of the counter ion has no influence on the X-band EPR spectrum of a MeCN solution of, L52)Mnsolvent, 2, see the Results dealing with cyclic voltammetry of 3 and 4
    • 2+ (see the Results dealing with cyclic voltammetry of 3 and 4).
  • 66
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    • We can not exclude that the geff, 2 signal are part of the EPR spectra of complexes 1 and 3
    • eff = 2 signal are part of the EPR spectra of complexes 1 and 3.
  • 67
    • 60849113663 scopus 로고    scopus 로고
    • We have assumed that the Mn-Cl bond length is not significantly shortened in solution compared to the X-ray data
    • We have assumed that the Mn-Cl bond length is not significantly shortened in solution compared to the X-ray data.
  • 68
    • 17744369501 scopus 로고    scopus 로고
    • An approximately r-2.5 dependence of Mn(II) zero-field interaction on ligand-metal distance has been proposed by Tabares et al, Tabares, L. C, Cortez, N; Agalidis, I, Un, S. J. Am. Chem. Soc. 2005, 127, 6039-6047
    • -2.5 dependence of Mn(II) zero-field interaction on ligand-metal distance has been proposed by Tabares et al.: Tabares, L. C.; Cortez, N; Agalidis, I.; Un, S. J. Am. Chem. Soc. 2005, 127, 6039-6047.
  • 69
    • 60849111645 scopus 로고    scopus 로고
    • Difference in the temperature do not significantly change the pattern of the EPR spectra, in the Supporting Information
    • Difference in the temperature do not significantly change the pattern of the EPR spectra. Compare, for instance, the spectrum in Figure 3a with that in Figure S1a in the Supporting Information.
    • Compare, for instance, the spectrum in Figure 3a with that in Figure
  • 75
    • 60849089283 scopus 로고    scopus 로고
    • Université Paris-Sud, Orsay, France
    • Rogez, G. Thesis, Université Paris-Sud, Orsay, France, 2002.
    • (2002) Thesis
    • Rogez, G.1
  • 83
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    • EC stand for electrochemical-chemical and describes a mechanism where the product of the first redox event evolves chemically. See for instance: ref 82
    • EC stand for electrochemical-chemical and describes a mechanism where the product of the first redox event evolves chemically. See for instance: ref 82.
  • 91
    • 60849102091 scopus 로고    scopus 로고
    • The decoordinated pyridine group are held by the amine function bearing the two pyridine functions, else the tetradentate ligand obtained is tripodal not linear
    • The decoordinated pyridine group are held by the amine function bearing the two pyridine functions, else the tetradentate ligand obtained is tripodal not linear.
  • 94
    • 60849101494 scopus 로고    scopus 로고
    • personal communication
    • Fleury, B.; Mallah, T. 2008, personal communication.
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    • 0. In the present case, we consider the Born model theory to evaluate the variation of solvatation energy upon Mn(II)/Mn(III) redox process.
    • 0. In the present case, we consider the Born model theory to evaluate the variation of solvatation energy upon Mn(II)/Mn(III) redox process.
  • 105
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    • Charge of the active site of SOD from ref 14.
    • Charge of the active site of SOD from ref 14.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.