Dimanganese Complexes Bridged with a(μ-X)(μ-Carboxylato)Unit as Models for the Active Site of Manganese Catalase(X=OH, O or (O)_2)

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著者

    • OSAWA Masahisa
    • Research Laboratory of Resources Utilization, Tokyo Institute of Technology
    • FUJISAWA Kiyoshi
    • Research Laboratory of Resources Utilization, Tokyo Institute of Technology
    • KITAJIMA Nobumasa
    • Research Laboratory of Resources Utilization, Tokyo Institute of Technology

抄録

A novel dimanganese complex LMn<SUP>II</SUP>(OH)(OAc)Mn<SUP>II</SUP>L (<B>1</B>) (L = hydrotris(3,5-diisopropyl-1-pyrazolyl)borate) was synthesized by the reaction of LMn<SUP>II</SUP>(OH)<SUB>2</SUB>Mn<SUP>II</SUP>L with 1 equiv of acetic acid. Complex <B>1</B> was oxidized either by dioxygen or anaerobic reaction with H<SUB>2</SUB>O<SUB>2</SUB>, resulting in the formation of two isolable products [LMn<SUP>III</SUP>(O)(OAc)Mn<SUP>III</SUP>L]<SUP>+</SUP>(<B>2</B>) and LMn<SUP>III</SUP>(O)<SUB>2</SUB>(OAc)Mn<SUP>IV</SUP>L(<B>3</B>). The formation of <B>2</B> was identified by comparison with an authentic sample prepared from bis(μ-oxo) complex LMn<SUP>III</SUP>(O)<SUB>2</SUB>Mn<SUP>III</SUP>L. The structure of the <B>3</B> was determined by X-ray crystallography.

収録刊行物

  • Chemistry letters

    Chemistry letters 1997(9), 919-920, 1997-09

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002614986
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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