• Title/Summary/Keyword: organic dielectric

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A Study for Kinetics and Oxidation Reaction of Alcohols using (C10H8N2H)2Cr2O7 ((C10H8N2H)2Cr2O7를 이용한 알코올들의 산화반응과 반응속도에 관한 연구)

  • Park, Young-Cho;Kim, Soo-Jong
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.6
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    • pp.927-933
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    • 2022
  • We synthesized (C10H8N2H)2Cr2O7, The structure of the product was characterized with FT-IR(infrared) and elemental analysis. The oxidation of benzyl alcohol by (C10H8N2H)2Cr2O7 in organic solvents showed that the reactivity increased with the increase of the dielectric constant. The oxidation of alcohols was examined by (C10H8N2H)2Cr2O7 in DMF, acetone. As a resuit, (C10H8N2H)2Cr2O7 was found as efficicent oxidizing agent that converted benzyl alcohol, allyl alcohol, primary alcohol and secondary alcohols to the corresponding aldehydes or ketones(65%~95%). The selective oxidation of alcohols was also examined by (C10H8N2H)2Cr2O7 in DMF, acetone. (C10H8N2H)2Cr2O7 was selective oxidizing agent(15%~95%) of benzyl alcohol, allyl alcohol and primary alcohol in the presence of secondary ones. In the presence of DMF solvent with acidic catalyst such as H2SO4. (C10H8N2H)2Cr2O7 oxidized benzyl alcohol(H) and its derivatives. The Hammett reaction constant(ρ) was -0.69(308K). The observed experimental data were used to rationalize the hydride ion transfer in the rate determining step.