Search

Your search keyword '"S. Climent"' showing total 4 results
Start Over Author "S. Climent" Journal reaction kinetics and catalysis letters
4 results on '"S. Climent"'

1. Oxidizing supported reagents, I. Nature of the supported KMnO4 on solids

Author

José M. Marinas, M. S. Climent, and J. V. Sinisterra

Subjects
Solvent, Chemistry, Sepiolite, Reagent, Oxidizing agent, Inorganic chemistry, Organic chemistry, Physical and Theoretical Chemistry, Catalysis
Abstract

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 influence of the nature of the solvent is discussed.

Published
1986
Full Text
View/download PDF

2. Reduction of substituted nitrobenzene derivatives with the formic acid—Triethylamine system, using Pd/SiO2−AlPO4 as catalyst

Author

José M. Marinas, María A. Aramendía, César Jiménez, and M. S. Climent

Subjects
Formic acid, Inorganic chemistry, Reduction rate, Liquid phase, chemistry.chemical_element, Catalysis, Nitrobenzene, Reduction (complexity), chemistry.chemical_compound, chemistry, Physical and Theoretical Chemistry, Triethylamine, Nuclear chemistry, Palladium
Abstract

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 nitrocompounds containing electron-acceptor substituents is much higher than that of electron donor-containing substrates.

Published
1980
Full Text
View/download PDF

3. Ba(OH)2 catalyst in organic reactions, XIII. Oxidation of benzyl halides to benzaldehydes

Author

José M. Marinas, J. V. Sinisterra, and M. S. Climent

Subjects
Substituent, Halide, Ring (chemistry), Catalysis, Barium hydroxide, chemistry.chemical_compound, chemistry, Organic reaction, Phase (matter), Yield (chemistry), Polymer chemistry, Organic chemistry, Physical and Theoretical Chemistry
Abstract

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 mechanism for the heterogeneous process is discussed.

Published
1987
Full Text
View/download PDF

4. Oxidizing supported reagents, III. Oxidation of alcohols by new supported K2Cr2O7 reagents

Author

José M. Marinas, M. S. Climent, and J. V. Sinisterra

Subjects
chemistry.chemical_classification, chemistry.chemical_compound, Ketone, chemistry, Reagent, Alcohol oxidation, Yield (chemistry), Oxidizing agent, Organic chemistry, Alcohol, Physical and Theoretical Chemistry, Catalysis
Abstract

Several new supported K2Cr2O7 reagents are used in the oxidation of secondary alcohols. The influence of the number of active sites and the nature of solid support on the yield is discussed. The influence of the structure of alcohol on the yield of ketone is analyzed.

Published
1989
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results