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Article
Monoterpenoid Oximes Hydrogenation Over Platinum Catalysts
Platinum nanoparticles supported on MgO, Al2O3, ZrO2, TiO2 were utilized for monoterpenoid oximes hydrogenation. Monocyclic menthone and carvone oximes synthesized from bio-derived monoterpenoids with a different...
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Article
One-Pot Myrtenol Amination over Au, Au–Pd and Pd Nanoparticles Supported on Alumina
One-pot bio-based myrtenol amination was studied in the presence of alumina supported Au, Au–Pd and Pd nanoparticles subjected to the thermal treatment under oxidizing or reducing atmosphere. Myrtenol aminatio...
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Article
Open AccessPreparation of Betulone Via Betulin Oxidation Over Ru Nanoparticles Deposited on Graphitic Carbon Nitride
Derivatives of betulin obtained by oxidation have broad pharmacological applications, demonstrating anti-inflammatory, antioxidant, hepatoprotective, and anticancer activity. Ru supported catalysts based on gr...
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Article
Effect of Gas Atmosphere on Catalytic Behaviour of Zirconia, Ceria and Ceria–Zirconia Catalysts in Valeric Acid Ketonization
Ketonization of valeric acid, which can be obtained by lignocellulosic biomass conversion, was carried out in a fixed bed flow reactor over ZrO2, 5–20 % CeO2/ZrO2 and CeO2 both under hydrogen and nitrogen stream ...
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Article
Phase composition and catalytic properties of ZrO2 and CeO2-ZrO2 in the ketonization of pentanoic acid to 5-nonanone
The phase composition, microstructure, and catalytic properties of the samples of ZrO2 and CeO2-ZrO2 calcined in air at 450–500°C in the ketonization reaction of pentanoic acid were studied. It was found that ZrO
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Article
On quantitative description of metal particles size effect in catalytic kinetics
Quantitative description for turnover frequency dependence on the metal cluster size for a two-step catalytic cycle was performed based on a thermodynamic approach, which accounts for changes of the chemical p...
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Article
Kinetic study on isomerization of verbenol to isopiperitenol and citral
Thermal isomerization of verbenol in the gas and liquid phases is discussed. The effect of temperature and residence time on the reaction mixture composition was studied (at 460-600°C and a residence time t of...
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Article
Kinetics of the Hydrogenation of α-Pinene to cis- and trans-Pinanes on Pd/C
The liquid-phase hydrogenation of α-pinene on a Pd/C catalyst at 0–100°С and hydrogen pressures of 1–11 atm was studied. It was found that the order of reaction with respect to pinene increased with hydrogen p...
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Article
Kinetics of the Hydrogenation of Pinane Hydroperoxide to Pinanol on Pd/C
The liquid-phase hydrogenation of pinane hydroperoxide (PHP) to pinanol on a Pd/C catalyst at 20–80°C and hydrogen pressures of 1–11 atm was studied. It was found that the rate of hydrogenation decreased with ...
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Article
Kinetics of 2-Pinanol Isomerization to Linalool on the Monolith Carbon-Containing Catalyst
Isomerization of 2-pinanol into linalool is studied on a monolith carbon-containing catalyst at 733–893 and a total pressure of 2–40 torr. The rate constants of cis(trans)-2-pinanol transformation into linalool a...
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Article
Kinetics of Pinane Oxidation to Pinane Hydroperoxide by Dioxygen
The liquid-phase oxidation of pinane to pinane hydroperoxide (PHP) by dioxygen is studied at 353–373 K and under dioxygen pressures ranging from 2 to 4 atm. The rate of pinane oxidation is described by the equ...
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Article
Synthesis of 1-ethylpyrrolidone-2 by hydrogenation of 1-vinylpyrrolidone-2 over a Pd/C catalyst
A selective catalytic system for the hydrogenation of 1-vinylpyrrolidone-2 (VP) to 1-ethylpyrrolidone-2 (EP) is found. The factors responsible for the formation of by-products in the conversion of VP are studi...