Zobrazeno 1 - 10
of 15
pro vyhledávání: '"M. S. Climent"'
Publikováno v:
Applied sciences 5, 532-543 (2015)
Helvia. Repositorio Institucional de la Universidad de Córdoba
instname
Applied Sciences
Volume 5
Issue 3
Pages 532-543
Applied Sciences, Vol 5, Iss 3, Pp 532-543 (2015)
Helvia. Repositorio Institucional de la Universidad de Córdoba
instname
Applied Sciences
Volume 5
Issue 3
Pages 532-543
Applied Sciences, Vol 5, Iss 3, Pp 532-543 (2015)
The microwave-assisted conversion of levulinic acid (LA) has been studied using low-loaded supported Fe-based catalysts on porous silicates. A very simple, productive, and highly reproducible continuous flow method has been used for the homogeneous d
Autor:
Antonio Pineda, Rafael Luque, José M. Hidalgo, M. S. Climent, Radek Černý, Antonio A. Romero, Rick A. D. Arancon
Publikováno v:
Journal of Flow Chemistry. 5:11-16
SBA-15 materials exhibit important properties including large surface area, highly ordered mesopores, and high stability in a variety of catalytic reactions. In this study, Al and Zr-loaded SBA-15 materials (Si/Zr = 30, Si/Al = 30), 50 molar ratio wi
Publikováno v:
Catal. Sci. Technol.. 4:428-434
Catalytically active supported metal nanoparticles on aluminosilicates including Cu and Pd-based systems were investigated in the microwave-assisted conversion to a range of valuable furanic compounds via tandem formic acid-promoted dehydration and s
Publikováno v:
Reaction Kinetics & Catalysis Letters. 53:13-23
Iron-modified AlPO4 catalysts (0.5–5 wt.% Fe2O3) have been prepared by impregnation until incipient wetness with different iron(III) salts. The resulting solids, after characterization by surface area, XRD and DRIFT measurements, were checked for t
Publikováno v:
Reaction Kinetics & Catalysis Letters. 47:7-11
The Michael addition of nitromethane to 3-buten-2-one has been carried out in the absence of solvent, using potassium fluoride supported on Al2O3, ZnO, SnO2, sepiolite, AlPO4, AlPO4−Al2O3 and AlPO4−ZnO catalysts. We found that KF/ZnO easily perfo
Autor:
José Antonio Navío, Manuel Macías, José M. Marinas, Antonio A. Romero, M. S. Climent, Juan M. Campelo
Publikováno v:
Journal of Materials Chemistry. 5:2019
A series of FePO4(Fe/P = 1) catalysts have been prepared by precipitation of the corresponding chloride or nitrate iron(III) salt and orthophosphoric acid with aqueous ammonia or propylene oxide at pH 7.0. The resulting solids, after calcination at t
Publikováno v:
Reaction Kinetics and Catalysis Letters. 32:177-183
The nature of supported KMnO4 reagents on several solids (SiO2 AlPO4, BPO4 and sepiolite) is discussed. The oxidation of PhCHO to PhCO2H was the test reaction. The KMnO4 supported reagent is shown to be a mixture of physisorbed KMnO4 and Mn(IV). The
Publikováno v:
Tetrahedron. 44:2963-2968
We have analyzed the influence of the chemical and textural properties of the solid supports as well as the oxidising K2Cr2O7 supported reagent on the oxidation of menthol to menthone—as a reaction test—. The most active K2Cr2O7 supported reagent
Publikováno v:
Reaction Kinetics and Catalysis Letters. 14:489-493
The liquid phase reduction of different substituted nitrobenzene derivatives with the formic acid-triethylamine system has been carried out by the use of a supported palladium (0,6%) on AlPO4/SIO2 (20:80 weigth) catalyst. The reduction rate of nitroc
Publikováno v:
Reaction Kinetics and Catalysis Letters. 34:201-206
The oxidation of benzyl halides by DMSO in presence of barium hydroxide as catalyst in the heterogeneous phase is described. The reaction is optimized. The influence of halide and benzyl halide ring substituent on the yield is discussed. The mechanis