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Oxidation by dioxygen of manganese(II) and iron(II) complexes.

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Title: Oxidation by dioxygen of manganese(II) and iron(II) complexes.
Authors: Belli Dell’Amico, Daniela1, Labella, Luca1 labella@dcci.unipi.it, Marchetti, Fabio1, Mastrorilli, Piero2,3, Samaritani, Simona1, Todisco, Stefano2,3
Source: Polyhedron. Nov2013, Vol. 65, p275-281. 7p.
Subjects: Manganese, Metal ions, Iron ions, Metal complexes, Dioxygenases, Oxidation
Abstract: Abstract: Fast oxidations of the iron(II) N,N-dialkylcarbamato complexes [Fe(II)(O2CNR2)2] n (R=Et, n =6, 1; R= i Pr, 2) and [Fe(II)8(μ4-O)2(O2CNiPr2)12], 3, by dioxygen were carried out both in an anhydrous hydrocarbon and in the solid state affording [Fe(III)2(O)(O2CNR2)4] x , 7 and 8 for R=Et and i Pr, respectively, and [Fe(III)4(O)3(O2CNiPr2)6] y , 9. The stoichiometric O2 uptake was not accompanied by oxidation of the ligand. Recovery of unchanged starting material was observed when the manganese(II) derivatives [Mn(II)(O2CNR2)2] n (R=Et, n =6, 4; R= i Pr, 5) were treated with O2. Nevertheless, when [Mn(II)8(μ4-O)2(O2CNiPr2)12], 6, prepared in situ by reaction of 5 with water (Mn/H2O molar ratio=4), was reacted with O2, complete oxidation occurred to a product where manganese showed an average oxidation number III, [Mn(III)4(O)3(O2CN i Pr2)6] y , 10. The product [Mn(II)6Mn(III)2(μ4-O)2(μ3-O)(O2CN i Pr2)12], 11, obtained by partial oxidation of 6 by O2, has been characterised by X-ray diffraction methods. [Copyright &y& Elsevier]
Copyright of Polyhedron is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 92874580
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  Label: Title
  Group: Ti
  Data: Oxidation by dioxygen of manganese(II) and iron(II) complexes.
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  Data: <searchLink fieldCode="AR" term="%22Belli+Dell’Amico%2C+Daniela%22">Belli Dell’Amico, Daniela</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Labella%2C+Luca%22">Labella, Luca</searchLink><relatesTo>1</relatesTo><i> labella@dcci.unipi.it</i><br /><searchLink fieldCode="AR" term="%22Marchetti%2C+Fabio%22">Marchetti, Fabio</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Mastrorilli%2C+Piero%22">Mastrorilli, Piero</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Samaritani%2C+Simona%22">Samaritani, Simona</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Todisco%2C+Stefano%22">Todisco, Stefano</searchLink><relatesTo>2,3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Polyhedron%22">Polyhedron</searchLink>. Nov2013, Vol. 65, p275-281. 7p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Manganese%22">Manganese</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+ions%22">Metal ions</searchLink><br /><searchLink fieldCode="DE" term="%22Iron+ions%22">Iron ions</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+complexes%22">Metal complexes</searchLink><br /><searchLink fieldCode="DE" term="%22Dioxygenases%22">Dioxygenases</searchLink><br /><searchLink fieldCode="DE" term="%22Oxidation%22">Oxidation</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: Fast oxidations of the iron(II) N,N-dialkylcarbamato complexes [Fe(II)(O2CNR2)2] n (R=Et, n =6, 1; R= i Pr, 2) and [Fe(II)8(μ4-O)2(O2CNiPr2)12], 3, by dioxygen were carried out both in an anhydrous hydrocarbon and in the solid state affording [Fe(III)2(O)(O2CNR2)4] x , 7 and 8 for R=Et and i Pr, respectively, and [Fe(III)4(O)3(O2CNiPr2)6] y , 9. The stoichiometric O2 uptake was not accompanied by oxidation of the ligand. Recovery of unchanged starting material was observed when the manganese(II) derivatives [Mn(II)(O2CNR2)2] n (R=Et, n =6, 4; R= i Pr, 5) were treated with O2. Nevertheless, when [Mn(II)8(μ4-O)2(O2CNiPr2)12], 6, prepared in situ by reaction of 5 with water (Mn/H2O molar ratio=4), was reacted with O2, complete oxidation occurred to a product where manganese showed an average oxidation number III, [Mn(III)4(O)3(O2CN i Pr2)6] y , 10. The product [Mn(II)6Mn(III)2(μ4-O)2(μ3-O)(O2CN i Pr2)12], 11, obtained by partial oxidation of 6 by O2, has been characterised by X-ray diffraction methods. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Polyhedron is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.poly.2013.08.011
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 7
        StartPage: 275
    Subjects:
      – SubjectFull: Manganese
        Type: general
      – SubjectFull: Metal ions
        Type: general
      – SubjectFull: Iron ions
        Type: general
      – SubjectFull: Metal complexes
        Type: general
      – SubjectFull: Dioxygenases
        Type: general
      – SubjectFull: Oxidation
        Type: general
    Titles:
      – TitleFull: Oxidation by dioxygen of manganese(II) and iron(II) complexes.
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            NameFull: Belli Dell’Amico, Daniela
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            NameFull: Labella, Luca
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            NameFull: Marchetti, Fabio
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            NameFull: Mastrorilli, Piero
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            NameFull: Samaritani, Simona
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              Text: Nov2013
              Type: published
              Y: 2013
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              Value: 65
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