Oxidation of 1-Methylnaphthalene by Cobalt(III) Acetate

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  • KASHIYAE Miyoko
    Department of Industrial Chemistry, Shibaura Institute of Technology
  • KAMIYA Yoshio
    Department of Reaction Chemistry, Faculty of Engineering, University of Tokyo

Bibliographic Information

Other Title
  • 酢酸コバルト(III)による1-メチルナフタレンの酸化反応
  • 酢酸コバルト（ＩＩＩ）による１‐メチルナフタレンの酸化反応

Description

The rate of oxidation of 1-methylnaphthalene by cobalt (RI) acetate in acetic acid (Fig.1, 3)can be expessed as follows:<BR>The first term in the equation works in the range of concentration less than 1.67 mol/1 H2O and at 1.67 mol/l H2O it works negligibly in comparison with the second term (Fig.4). These facts suggested that two kinds of active species should be considered for such a reactive substance as 1-methylnaphthalene. A synergetic effect was observed by the addition of cerium (IV) acetate to cobalt (III) acetate (Table 1).<BR>The ρ value obtained from Hammett plots for the oxidation of substituted toluenes (Fig.6)by cobalt (III) acetate decreased with increasing Co (III) /Cototal at lower H2O concentrations. This result can be interpreted in terms of the above equation, since the first term in this equation is more serious than the second one at lower Co (III) concentrations.

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1976 (4), 645-649, 1976-04-10

    The Chemical Society of Japan

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