Photochemical Reactions of Uranyl Ions with Organic Compounds. II. The Mechanism of the Photo-Oxidation of Alcohols by Uranyl Ions

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概要

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• Quantum yields were measured under various conditions for the photo-oxidation of aliphatic alcohols by uranyl ions in aqueous solutions and kinetic treatments were made. The measurements of uranyl fluorescence quenching by the alcohols showed that a complex formation between uranyl ions and alcohol molecules prior to the photolysis is not likely to be involved. The temperature effect on the quantum yield is strong evidence for a collisional energy transfer from the excited uranyl ions to the alcohol molecules. The relative rates of the photolysis of four isomeric butyl alcohols, and the isotope effect on the photo-reactivity by using alcohols labeled with deuterium, showed that the alcohol molecules are attacked on the α-hydrogen atom as a primary photochemical act.

• 公益社団法人 日本化学会の論文

著者

• Sakuraba Shukichi

  Faculty of Engineering, Shizuoka University

• Matsushima Ryoka

  Faculty of Engineering, Shizuoka University

関連論文

• Photochemical Reactions of Uranyl Ions with Organic Compounds. IV. The Uranyl Fluorescence Quenching by Aliphatic Alcohols
• Photochemical Reactions of Uranyl Ions with Organic Compounds. II. The Mechanism of the Photo-Oxidation of Alcohols by Uranyl Ions
• Photochemical Reactions of Uranyl Ions with Organic Compounds. I. The Mechanism of the Uranyl Ion-Photosensitized Oxidation of Lactic Acid
• Photochemical Reactions of Uranyl Ions with Organic Compounds III. The Correlation between the Reaction Mode and the Pre-Equilibrium in the Photolysis of the Uranyl-lactate System

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