Spectral Evidence and Kinetics for Formation of the Sitting-Atop Complex of Copper(II) Ion with 5, 10, 15, 20-Tetraphenylporphyrin in Acetonitrile

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著者

    • INADA Yasuhiro
    • Laboratory of Analytical Chemistry, Faculty of Science, Nagoya University
    • SUGIMOTO Yumi
    • Laboratory of Analytical Chemistry, Faculty of Science, Nagoya University
    • NAKANO Yuko
    • Laboratory of Analytical Chemistry, Faculty of Science, Nagoya University

抄録

The kinetic parameters for the formation of the sitting-atop (SAT) complex of the copper(II) ion with 5,10,15,20-tetraphenylporphyrin (H<SUB>2</SUB>tpp) were directly determined in acetonitrile. The large <I>ΔH</I><SUP>≠</SUP> and <I>ΔS</I><SUP>≠</SUP> values imply that deformation of the porphyrin ring is required during the activation process. In the SAT complex, the protons bound to the pyrrole nitrogens remain on the nitrogens and by the addition of a base such as pyridine, they are abstracted to form the Cu(tpp) complex, in which the copper(II) ion is incorporated into the porphyrin core.

収録刊行物

  • Chemistry letters

    Chemistry letters 1996(10), 881-882, 1996-10

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002606886
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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