Abstract
The results of studying the reaction kinetics of the catalytic oxidation of methyl oleate with hydrogen peroxide in a two-phase system (aqueous phase-organic phase) in the presence of the bifunctional catalyst [(Octn)3NMe]3{PO4[WO(O2)2]4} are presented. For the selected reaction conditions, the first orders of reaction with respect to the catalyst, substrate, and oxidizing agent were established. The activation energy was 47 ± 3 kJ/mol in a temperature range of 313–353 K, and the preexponential factor was (6.0 ± 0.3) × 107 L2 mol–2 min–1.
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Funding
This work was carried out within the framework of a state contract of the Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences (project no. AAAA-A21-121011390007-7).
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Translated by V. Makhlyarchuk
Abbreviations and notation: MO, methyl oleate; Cat, (N-methyl-N,N,N-trioctyl)-tetrakisoxodiperoxotungstophosphate [(Octn)3-NMe]3{PO4[WO(O2)2]4}; concentration, mol/L; T, temperature, K; t, reaction time, min; W, rate of reaction, mol L–1 min–1; rpm, revolutions per minute; A, preexponential factor, L2 mol–2 min–1; l, order of reaction with respect to the catalyst [(Octn)3NMe]3{PO4[WO(O2)2]4}; m, order of reaction with respect to the oxidizing agent H2O2; p, order of reaction with respect to the substrate, MO; Ea, apparent activation energy, kJ/mol; kobs, reaction rate constant of the formation of methyl oleate epoxide, L mol–1 min–1; FA, fatty acid; MOE, methyl oleate epoxide
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Yushchenko, D.Y., Pai, Z.P., Uchenova, Y.V. et al. Kinetics of the Catalytic Oxidation of Methyl Oleate. Kinet Catal 64, 270–275 (2023). https://doi.org/10.1134/S0023158423030102
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DOI: https://doi.org/10.1134/S0023158423030102