Synthesis and biological activity of 3,4-dimethylphenyloxamoyl aminoacids and their salts with D(+)-glucosamine
Convenient method of synthesis of optically active oxamoylaminoacids. Compounds have significant hepatoprotective, antiinflammatory and immunodepressant activities with low toxicity. Influence of investigated sudstances on rarametrs of specific immunity.
Подобные документы
Reactivity and Annulation of Another Ring to an Isoxazole Ring. Reactivity at the Ring Atoms. Reactivity of the Substituents. Syntheses of Condensed Heterocyclic Systems from Aminoisoxazoles. Ring Openings and Rearrangements. Synthesis of Aminoisoxazoles.
статья, добавлен 05.03.2013The hydrothermal method for preparation nanostructures with controllable morphologies. Synthesis of different morphologies of PbTe such as nanoparticles, nanorods of PbTe with using of Pb(NO3)2, TeCl4 and N2H4H2O in presence of different surfactants.
статья, добавлен 30.07.2016Preparing of mesoporous organic-inorganic hybrid composites on glass substrates by the sol-gel method for testing the proteins adhesion. The coatings of colloidal silica, polysiloxane sol methyl-modified sols and with various wettability properties.
статья, добавлен 02.04.2014The efficient synthetic protocol for aminomethylation proceeding was developed which led to obtaining a series of novel 3-(phenylamino)-methyl derivatives of 5,7-dimethyl-6-phenylazo-3Н-thiazolopyridin-2-one. The conditions for aminomethylation reaction.
статья, добавлен 30.08.2016This paper describes the synthesis of sodium alginate/hydroxyapatite composites and the influence of the presence of Alg on HA crystallization. It was shown that the presence of Alg and the increase of its concentration leads to the decrease of the HA.
статья, добавлен 30.07.2016Reactions of Thiocyanate and Isothiocyanate Derivatives of Fluoroolefins with N-Nucleophilic Reagents. The Influence of the N-Nucleophile on the Construction of Six-Membered Heterocycles. The Use of Fluoroolefins with a Carbonyl-Containing Substitutent.
статья, добавлен 05.03.2013Synthesis 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 05.03.2013The polymers built with the use of the free radical polymerization of methacrylic monomers incorporating an azobenzene side-group and monomers with benzylidene fragments. The results of photochemical and optical activities of the corresponding elements.
статья, добавлен 29.09.2016Synthesis of a methacrylic azomonomers based on para-aminoacetanilide to obtain functionalized polymers for orientation of liquid crystals. The kinetics of polymerization of synthesized azomonomers. Constants of thermo-induced radical polymerization.
статья, добавлен 21.12.2016Specific features of measuring the magnetic hysteresis of nano-sized multiferroic BiFeO3 powders synthesized by sol-gel method using citric acid at room temperature. Characterization of the main magnetic parameters of the obtained nanopowder samples.
статья, добавлен 12.05.2018Synthesis of two rare-earth nickel silicide PrNi9Si4 and NdNi9Si4. Their crystal structures, refined from X-ray powder diffraction data, structure type. The two compounds as Curie-Weiss paramagnets due to magnetic moments carried on the rare-earth atoms.
статья, добавлен 23.02.2017Some aspects of sugar-derived heterocycles and their precursors which are utilized as the inhibitors against glycogen phosphorylases and are responsible for the release of mono-glucose from poly-glucose. The quantitative structure-activity relationship.
научная работа, добавлен 05.03.2013Biological, physical and chemical properties of macrocyclic compounds based on the researches of membrane activity. Finding of the certain concentration of filipin for increase of conductivity, definition of selectivity and single ionic filipin channels.
статья, добавлен 22.02.2021To study antimicrobial properties of the synthesized surfactants, the method of consequent dilution was used. The experiments were carried out in the test tubes contained a surfactant at different concentrations and 1 ml of the physiological solution.
статья, добавлен 03.03.2021The one-step procedure of simultaneous preparation of polyacrylonitrile-based carbon support and Fe-Pd bimetallic nanoparticles. The effect of synthesis conditions on the metal-carbon nanocomposite structural characteristics. The crystallite size.
статья, добавлен 27.08.2020Influence of increasing the temperature of thermochemical activation of up to 750 °C and increasing the dosage of potassium hydroxide to 2.1 g/g of activated carbon synthesis of hydrolytic lignin on the formation of adsorption properties of the AC.
статья, добавлен 30.07.2017Development of a new approach to the simultaneous determination of two reducing agents, which is based on the dependence of the rate of their reaction. Automation of the method using a typical device of the method of sequential injection analysis.
статья, добавлен 30.10.2016The formation of the potassium salt of 3-substituted 6-thio-6,7-dihydro-2H-[1,2,4]triazino[2,3-C]quinazoline-2-ones in the presence of potassium hydroxide in alcohols via reaction of 6-R-3-(2-aminophenyl)-1,2,4-triazin-5-ones (2) with carbon disulfide.
статья, добавлен 22.02.2014In this study, the electroplating method used silver on copper ores, which is a coating method by forming a coating on a surface using silver salts as a source of silver and potassium nitrate as a catalyst source. Formation of a complex with a silver ion.
статья, добавлен 16.01.2021- 70. Reactions of 1-(4-hydroxyphenyl)-3-(4-nitrophenyl)-5-ethyl-1,2,4-triazole with electrophilic agents
To synthesize new biologically active compounds, the reactions of electrophilic substitution of 1-(4-hydroxyphenyl)-3-(4-nitrophenyl)-5-ethyl-1, 2, 4-triazole (I) have been studied. The structure of the new compounds was confirmed by 1H NMR spectra.
статья, добавлен 27.07.2016 - 71. Copper(II) and nickel(II) with N-bis(salicylidene)thiosemicarbazide heterometal complex compounds
Heterometal coordination compounds of copper(II), nickel(II), alkaline-earth metals with N-bis(salicylidene)thiosemicarbazide have been synthesized. Using elemental analysis has been shown that the synthesized compounds have semi-conducting properties.
статья, добавлен 30.08.2016 Study of influence of amino acids on the hydroxyapatite formation. Study of mineral obtained by transmission electron microscopy and powder X-ray diffraction. Analysis of the phase composition, crystal size and lattice microstrains of calcium phosphate.
статья, добавлен 23.12.2016Thiophene derivatives, cyclopropenethiones, dithiynes, carbon disulfide in the synthesis of thienothiophenes and their analogues. Reactivity and chemical transformations. Molecular structures and physical properties fields of application thienothiophenes.
дипломная работа, добавлен 05.03.2013Characteristics: chemical properties, compounds, spectroscopy, isotopes. History, commercial production. Applications, biological role: maintaining body fluid volume in animals, maintaining electric potential in animal tissues. Dietary uses, precautions.
реферат, добавлен 13.11.2009- 75. The molecular structure and chromatographic parameters of calix[4]аrеnehydroxymethylphosphonic acids
A basic chromatographic characteristics of biologically significant calix[4]аrenehydroxymethylphosphonic acids. A study sodium salts in a reversed-phase high-performance liquid chromatography. The structure of calix[4]аrenehydroxymethylphosphonic acids.
статья, добавлен 05.03.2014