Catalysis of diels-alder reactions in water
Mechanistic aspects of the Diels-Alder reaction. The effect of micelles on it. The effects of Lewis acids on the endo-exo selectivity in water compared to the effects in organic solvents. Enantioselective cid catalysis of an organic reaction in water.
Подобные документы
The chemical structure of the polymer latexes. The influence of surfactants on the drip solution. The mechanism of anionic with a negative charge in the screed, acting as air entrainment. Hydrogen bonding, water absorption and compressive strength.
статья, добавлен 22.02.2015Study of kinetics of alkaline hydrolysis reaction of methyl esters of substituted 4,5-dimethoxy-N-phenyl-Anthranilic acids in binary solvent dioxane – water, analysis of the dependence lgkT from the nature and position of substituents in pantranco.
статья, добавлен 29.01.2016The importance of water quality. Applications of machine learning in water quality prediction. Challenges and limitations. Given these multifaceted impacts, the necessity for accurate and timely prediction of water quality cannot be overstated.
статья, добавлен 19.03.2024Synthesis and reactions of heterocyclic compounds in chemistry. Three- and four-membered heterocycles: heterocycles with one heteroatom (oxiranes, thiiranes, aziridines). Five-membered heterocycles: heterocycles with one, two, three and four heteroatom.
статья, добавлен 05.03.2013Electrochemical lithiation reactions of electrodes made of R5M3 alloys were studied in an organic electrolyte containing LiPF6 salt, using the conventional charge-discharge technique, and the reaction products were analyzed by X-ray powder diffraction.
статья, добавлен 23.02.2017Experimental study of interaction of water with the substrate and the role of cesium as a promoter for the adsorption of water on the strontium titanate surface. Enhancement of the catalytic properties of metal oxides by the addition of alkali species.
статья, добавлен 30.07.2016The efficiency of using softened water in the removal of dissolved oxygen and iron ions has been determined. The dependence of the efficiency in the processes of the deoxygenation and iron removal of water on the filtering speed through the redox filter.
статья, добавлен 26.02.2021Study of the process of intramolecular cyclization products of epichlorohydrin aminolysis of secondary amines. Analysis of the energy characteristics obtained in vacuum and in acetonitrile solution with water as an "active" solvation partner of reaction.
статья, добавлен 30.10.2016The structural, theoretical and synthetic properties of enamines which act as important intermediates in many syntheses of organic compounds containing oxygen. Cycloaddition reactions, electrochemistry, hydrolysis and biochemistry of metalated enamines.
книга, добавлен 05.03.2013The study of the diffusion of salt water in the soil of Lapidusoia and Verigin. Calculation of leaching rates. Initial and boundary conditions for salt distribution. Analysis of the influence of gravity, pressure and soil resistance on water filtration.
статья, добавлен 19.05.2018Study of swelling kinetics as compared to solvents of various nature (water in various pH, ethanol, toluene) was carried out. IR comparative spectra were obtained for different composites. High anti-bacterial action of the synthesized nanocomposites.
статья, добавлен 30.07.2016Study of the disinfecting effect of the physical and chemical properties accompanying hydrodynamic cavitation on the sanitary index of microorganisms in water. Model for determining the result of disinfection in conditions of hydrodynamic cavitation.
статья, добавлен 21.12.2016Isomeric aminobenzoic acid – an important chemical product of organic synthesis used in the production of synthetic dyes, medicinal and aromatic substances, wines, pesticides. Investigation the reaction of the oxidization of 2- and 3-aminotoluenes.
статья, добавлен 22.03.2016Heterocycles with one, two, three and four heteroatoms. Fused heterocycles incorporating pyridine rings. Quinolines, isoquinolines, and their fused rings. Spiroheterocycles and a solvent-free one-pot reaction of a mixture of meldrum’s or barbituric acid.
учебное пособие, добавлен 05.03.2013General properties of organometallic complexes. Metal alkyls and hydrides. Nucleophilic and electrophilic addition. Physical methods in organometallic chemistry. Insertion and Elimination. Homogeneous catalysis. Applications to organic synthesis.
книга, добавлен 05.03.2013Experimental study results on the conditions of KDP single crystal growing doped by organic luminophors have been presented. Shows a possible coherent conjugation scheme for crystal-chemical parameters of KDP lattice with some organic luminophors.
статья, добавлен 24.03.2014Models of 5,10-methylenetetrahydrofolate in organic synthesis and their reactions. Syntheses using mononucleophiles and binucleophiles. Molecular mechanism of carbon transfer reactions. Designs of models of coenzyme 5,10-methylenetetrahydrofolate.
статья, добавлен 05.03.2013Physicochemical characterisation of casein micelles suspended in milk ultrafiltrate and enriched with different cations: Fe, Cu, Ca. The order of association of cations with casein micelles. Changes in hydrophobicity, zeta potential of casein micelles.
статья, добавлен 20.11.2013The results of treatment of solutions with high sulphates concentration and the high level of water hardness. Reduction of secondary pollution by chlorides through the integrated use of the hydrochloride of aluminum and sodium aluminate coagulants.
статья, добавлен 23.02.2016Ion exchange separation of sulfate and chloride with highbasic anionite Сl-species at regeneration solutions treatment for their reiterative use, followed with solutions’ desalination at reverse osmosis plant, and resulting concentrates’ demineralization.
статья, добавлен 29.11.2016By Reaction with Alkyl Halides. Nucleophilic Addition. Oxidation of Ring Carbon Atoms Followed by Addition. Reduction of Exocyclic Double Bonds. Ring Cleavage Reactions. Coupling of Pyrazol-3-ones with Aryl Diazonium Salts. Oxidative Coupling, silylation.
учебное пособие, добавлен 05.03.2013Research modifications in the process of protective coating forming while heating. Examination of interaction between silicium organic compounds based on the rich polymethylphenylsiloxane. Opportunities of their utilization for high-temperature.
статья, добавлен 24.02.2016Physical and chemical properties of the drugs. Reactions to chloride ions Cl- in a solution of AgNO3 in HNO3. Photocolorimetry with painted ferum hydroxamate. Reaction on heterocyclic atom of nitrogen. Using of methods of quantitative determination.
презентация, добавлен 24.11.2016Dextran methacrylates were received by acylation of dextran with methacryloilchloride in the presence of tertiary amines in the DMF/LiCl solution. Dextran methacrylates, obtained in the presence of triethylamine, with DS over 0.5 were insoluble in water.
статья, добавлен 30.08.2016- 25. Kinetics of liquid-phase hydrogenation of n-valeraldehyde to n-amyl alcohol over a Ru/Al2O3 catalyst
Schematic diagram of the experimental setup for hydrogenation. Effect of catalyst loading on initial rates of reaction. The use of gas chromatography for the analysis of the reaction. Langmuir–Hinshelwood-type models for single, dualsite mechanisms.
статья, добавлен 20.10.2014