Chemiluminescence Detection of Five-membered Heteroaromatic Compounds Using Electrogenerated Tris(2,2'-bipyridine)-ruthenium(III)

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  • KODAMATANI Hitoshi
    Department of Environmental Chemistry, Kanazawa Institute of Technology
  • KOMATSU Yu
    Department of Environmental Chemistry, Kanazawa Institute of Technology
  • YAMAZAKI Shigeo
    Department of Applied Science, Okayama University of Science
  • SAITO Keiitsu
    Division of Natural Environment and Chemistry, Faculty of Human Development, Kobe University

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  • Chemiluminescence detection of five-membered heteroaromatic compounds using electrogenerated tris(2,2'-bipyridine)-ruthenium(3)
  • Chemiluminescence Detection of Five-membered Heteroaromatic Compounds Using Electrogenerated Tris(2,2′-bipyridine)-ruthenium(III)

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Abstract

Heteroaromatic compounds, such as 2,5-dimethylthiophene, 2,5-dimethylpyrrole, and 2,5-dimethylfuran, were found to act as reducing agents for the tris(2,2′-bipyridine)ruthenium(III), Ru(bpy)33+, chemiluminescent reaction. In order to characterize the chemiluminescent reaction of Ru(bpy)33+ with heteroaromatic compounds, we have investigated various mono-, di-, and tri-heteroaromatic compounds. The π-electron density and stability of aromatic rings influence the chemiluminescent efficiency of the reaction. Above all, 2,5-dimethylthiophene produced strong chemiluminescence under acidic conditions. In addition, we confirmed that the rate of the chemiluminescent reaction of Ru(bpy)33+ with 2,5-dimethylthiophene is very fast.

Journal

  • Analytical Sciences

    Analytical Sciences 23 (4), 407-411, 2007

    The Japan Society for Analytical Chemistry

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