Kinetics and mechanism of the oxidation of alcohols by pyridinium fluorochromate.

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概要

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• Pyridinium fluorochromate, C<SUB>5</SUB>H<SUB>5</SUB>NHCrO<SUB>3</SUB>F, oxidizes benzyl alcohol, ethanol, and cyclohexanol to benzaldehyde, acetaldehyde, and cyclohexanone, respectively. While each of the oxidation, studied in acetonitrile–nitrobenzene (1 : 1, v/v) medium, is first order with respect to the oxidant, the rate is almost independent of the substrate concentration. The reactions are catalyzed by acid, the acid-catalyzed reactions being very fast, precluded determination of their order in acid medium. The effects of temperatures and solvent compositions were studied and activation parameters evaluated. Probable mechanisms are discussed.

• 公益社団法人 日本化学会の論文

著者

• Chaudhuri Mihir

  Department Of Chemistry Indian Institute Of Technology

• Bhattacharjee Manabendra

  Department of Chemistry, North-Eastern Hill University

• Dasgupta Himadri

  Department of Chemistry, North-Eastern Hill University

関連論文

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• Kinetics and mechanism of the oxidation of alcohols by pyridinium fluorochromate.
• Kinetics and mechanism of acid-catalyzed oxidation of substituted toluenes by pyridinium fluorochromate.

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