Reaction Kinetics, Mechanisms and Catalysis
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Hydrogenation of α,β-unsaturated aldehydes in aqueous media with a water-soluble Pd(II)-sulfosalan complex catalyst
Reaction Kinetics, Mechanisms and Catalysis - Tập 126 - Trang 439-451 - 2018
A water-soluble Pd(II)-salan complex Na2[Pd(HSS)] (HSS = sulfonated tetrahydrosalen or sulfosalan) was examined as a hydrolytically stable catalyst for hydrogenation of various aldehydes. Na2[Pd(HSS)] was found to be a highly selective catalyst towards hydrogenation of C=C over C=O bonds in cinnamaldehyde and crotonaldehyde (used as representative α,β-unsaturated aldehydes). Kinetic measurements r...... hiện toàn bộ
Zn complexed on CaO coated with walnut husk extract as an efficient and reusable catalyst for the green synthesis of benzylpyrazolyl coumarin derivatives
Reaction Kinetics, Mechanisms and Catalysis - Tập 135 - Trang 897-914 - 2022
In the present work, the novel CaO@walnut husk@ZnO nanoparticles were successfully synthesized by immobilization of Zn (II) on walnut husk extract-coated CaO nanoparticles using a simple and clean procedure. The structure and characterization of CaO@walnut husk@ZnO nanoparticles was properly investigated by Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscop...... hiện toàn bộ
Nitrogen doped mesoporous carbon supporting Pd–Ni nanoparticle as a highly efficient catalyst for C–C coupling reactions
Reaction Kinetics, Mechanisms and Catalysis - Tập 135 - Trang 3243-3256 - 2022
Nitrogen doped mesoporous carbon (N-MPC)-supported monometallic and bimetallic catalysts were synthesized by using hydrothermal and impregnation method, and the catalytic activity of the catalyst to carbon–carbon bond-forming reactions (Suzuki, Heck and Sonogashira reactions) was studied. The bimetallic catalyst Pd-Ni@N-MPC with high Ni to Pd atomic ratios showed highly activity in the C–C couplin...... hiện toàn bộ
Catalytic effect of hydroxy groups on reaction of polyamine with tert-butyl acrylate
Reaction Kinetics, Mechanisms and Catalysis - Tập 43 - Trang 425-430 - 1991
The reaction of N-cyclohexyl-1,3-propanediamine with tert-butyl acrylate and the catalytic effect of hydroxy groups on the reaction course was investigated by Near Infrared spectroscopy. The reaction was found to be bimolecular and of second order. The dependence of rate constant on catalyst concentration (diols) is linear and the structure of diol used has no effect.
Solventless transesterification of methyl methacrylate with ethylene glycol. A kinetic approach
Reaction Kinetics, Mechanisms and Catalysis - Tập 48 - Trang 217-224 - 1992
The kinetics of solventless transesterification of methyl methacrylate with ethylene glycol has been studied to establish the optimal conditions for ethylene glycol monomethacrylate synthesis. The kinetic data presented show strong dependence of kinetic parameters on initial reagents ratio.
Determination of deactivation kinetic parameters, II. Data from integral reactors
Reaction Kinetics, Mechanisms and Catalysis - Tập 40 Số 1 - Trang 163-170 - 1989
Routes of nitrogen formation in nitrogen oxide reduction by carbon monoxide over Cr2O3
Reaction Kinetics, Mechanisms and Catalysis - Tập 7 - Trang 397-403 - 1977
The interaction between nitrogen oxides (NO and N2O) and carbon monoxide over Cr2O3 has been studied. It has been shown that at low temperatures N2O is the main product of NO reduction by carbon monoxide, while at higher temperatures the main products are N2O and N2. The contributions of the consecutive (via N2O) and parallel routes of molecular nitrogen formation have been determined.
Effect of acidic and metallic sites on the catalytic performance of Pd/ZSM-5 catalysts in the one-step synthesis of mibk
Reaction Kinetics, Mechanisms and Catalysis - Tập 91 - Trang 391-398 - 2007
The acidic properties of Pd/ZSM-5 catalysts were characterized by NH3-TPD and FT-IR of d3-acetonitrile adsorption. Effect of Pd loading on the catalytic activity and product distribution was studied in the one-step synthesis of methyl isobutyl ketone from acetone. The results indicated that a proper balance between acidic and metallic sites was necessary to obtain high catalytic performance.
Formation of Au nanorods and nanoforks over MgO support
Reaction Kinetics, Mechanisms and Catalysis - Tập 87 - Trang 263-268 - 2006
Nanosized Au particles were prepared by various methods on MgO. Beside the formation of hexagonal particles, impregnation deposited gold on the supports as rod- and fork-shaped crystals of the nanometer size. The growth of these unusual formations is probably directed by the cracks in the layers of the support, but it must also be the inherent property of the deposited metal.
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