Isomerization of Cyclohexyl Phenyl Ketoxirne in Liquid Sulfur Dioxide

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概要

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• 1. The syn-anti isomerization of β-cyclohexyl phenyl ketoxime is carried out in liquid sulfur dioxide.<BR>2. The isomerization is accerelated by light and retarded by hydroquinone. The degree of the dehydration of liquid sulfur dioxide has little effect on the rate of isomerization.<BR>3. The kinetic result has shown that the reaction is of the first order with respect to the concentration of the oxime and that the rate constant, <I>k</I> for <B>R</B>=<I>k</I>[β-oxime], may be expressed as:<BR><I>k</I>=6.3×10<SUP>11</SUP> exp [−19.1⁄<B>RT</B>]<BR>4. A complex between the oxime and sulfur dioxide is assumed as the intermediate step, the isomerization of the complex being the rate-determining step. The dual (radical and ionic) nature of the isomerization in liquid sulfur dioxide may well be elucidated by such an assumption.

• 社団法人 日本化学会の論文

著者

• TOKURA Niichiro

  The Chemical Research Institute of Non-Aqueous Solutions

• Shiina Katsuo

  The Chemical Research Institute of Non-Aqueous Solutions Tohoku University

• Tokura N.

  The Chemical Research Institute of Non-Aqueous Solutions

関連論文

• Effect of Added Solvents on the Radical Polymerization of Acrylonitrile in Liquid Sulfur Dioxide
• On the Beckmann Rearrangement in Liquid Sulfur Dioxide. I : Synthesis of ε-Caprolactam
• Radical Polymerization of Styrene in Liquid Sulfur Dioxide
• Syntheses of 2, 2'-Diamino-Biphenyl and Carbazole from Phenathrene
• Isomerization of Cyclohexyl Phenyl Ketoxirne in Liquid Sulfur Dioxide
• The Cationic Copolymerization of Styrene and p-Brornostyrene in Liquid Sulfur Dioxide
• The Beckmann Rearrangement of 1,2-Cyclohexane-dione Dioxime in Liquid Sulfur Dioxide
• The Reactions of 1, 2-Cyclopentanedione Dioxime and of 1, 2, 3-and 1,3,5-Cyclohexanetrione Trioximes in Liquid Sulfur Dioxide
• The Menschutkin Reaction in Liquid Sulfur Dioxide
• Solvent Effect on the Rearrangement of Cyclohexanoneoxime-p-toluenesulfonate. The Ionizing Power of Liquid Sulfur Dioxide
• The Reaction of Isobutene with Chloromethyl Methyl Ether in Liquid Sulfur Dioxide
• Effect of Solvation on the Menschutkin Reaction in Liquid Sulfur Dioxide

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