A sample of Mg10Ir19B16, prepared from the elements by high-temperature treatment in sealed Ta containers. The chemical composition, confirmed by WDXS analysis. Electronic structure calculations and chemical bonding analysis by the ELI/ED approach.
Review and analysis of oxidation of benzyl alcohols to benzaldehyde which is one of the most important reactions. Study and characterization of the features of the catalyst preparation. Influence of support on oxidation of benzyl alcohol to benzaldehyde.
Method of syntesis of novel N-substituted 3-(aminosulfonyl)-2H-1-benzopyran-2-one in the Knoevenagel condensation conditions. Studing the biological activity of derivatives against protozoan and helminth parasites, active against Onchocerca lienalis.
Using phosphoric acid and phosphor pent oxide as new catalyst for preparing of derivatives of benzoxazole. Use of benzoaxol ring in medicinal chemistry. Synthesis of 1,3-(Benzene-1,3-diyl) bis(benzoxazole). Synthesis of 3-(2-Hydroxynaphthol) benzoxazole.
A three compounds, p-aminobenzylden-a-naftylamine and its metal complexes have been prepared. Studies have shown that the investigated metal complexes are effective inhibitors of the oxidation of complex action. Antioxidant effect of synthesized metal.
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.
Dextran 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.
Obtaining a biodegradable polymer material with satisfactory thermal properties. Synthesis of copolyester, poly (ethylene phthalate-propylene succinate) by direct polycondensation from ethylene glycol, polypropylene glycol, phthalic and succinic acid.
The technology for the synthesis of two coumarin-chalcone hybrids by means of Kleisen-Schmidt condensation between 3-acetylcoumarin with benzaldehyde and 4-chlorobenzaldehyde, respectively. Method of identification and control of a chemical process.
The syntheses of a new ligand: di (Furanyl Methylene hydrazono Ethyl) Benzene. It's structure, spectroscopy methods (IR, 13C NMR). Synthesizing of the complex by reactance the ligand with HgCh. Calcination process from mono nuclear complex, electrolyte.
Preparing 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.
To 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.
Radical polymerization with a thiol-type chain transfer agent of poly-N-vinylpyrrolidone-based amphiphilic polymers, which can be used as drug carriers. Critical micelle concentration and its dependence on the molecular weight of the diblock copolymers.
Physicochemical properties of 1-alkyl-5-methyl-6-(2-methyl-1,3-thiazol-4-yl)-3-phenylthieno[2,3-d]pyrimidine-2,4(1H,3H)-diones 3 and 4. The method for preparation of 5-methyl-6-(2-methyl-1,3-thiazol-4-yl)-3-phenylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione.
Search of bioactive substances containing in the molecule a heterocycle and a deputy with high antioxidant properties such as succinic acid. Antibacterial and cytotoxic action of Di-Na-salt. Methods of di-Na-salt of 2-(pyridine-4-iltio)succinic.
The development of selective oxidation of simply accessible dihydroxy-dypropoxycalix[4]arene to nitrocalixmonoquinone by mixture of 75 % nitric acid and glacial acetic acid. Synthone for design of optical sensors and redox-sensitive bio-active compounds.
3-Bromo and 3-chloro-3-trifluoroacetyl-1-methyl-2-pyrrolidinones by the halogenation reaction of the corresponding 3-trifluoroacetyl derivatives. Characteristic hydrates after simple filtration on silica gel. The formation of new spirocyclic lactams.
The 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.
Synthesis of folate-ferrocene conjugate (FFC) through a stage of synthesis ferrocene carboxylic acid. Confirmation of the structure of the conjugate by the methods of spectroscopy. Studies of the biological activity of FFC by the method of tissue culture.
Study of the synthesis of complexes of diacetylhydrazine with hydrazine hydrate. Carrying out the reaction of the ligand with cobalt in the presence of salts of metal chloride and furfural. Condensation of diacetylhydrazine with hydrazine monohydrate.
The features of production of Fe:MgAl2O4 nanopowders by evaporation of targets made from a oxide mixture by repetitively pulsed laser radiation. Differences in the phase compositions of the solid powder substances. A rate of the cooling the ytterbium.
Study the interaction of an order of amino-anthraquinones with benzoylisothiocyanate. The process of obtaining the formation of new N-benzoyl-N '- (9,10-dioxo-9,10-dihydroanthacen-1- yl) -thioureas. Quantumchemical analysis of the passing reaction.
Prepared of n-aryl-2-[(4-amino-4H-1,2,4-triazol-3yl)thio] acetamides by interaction of amino-1,2,4-triazolyl-3thiol with n-aril-2-chloroacetamides and formation of n-aryl-2-[6,8-dimethyl[1,2,4]triazolo[4,3-b]pyradazin-3-yl)thio]acetamide derivatives.
Investigation of the reaction of e-caprolactone with methacrylic acid. Synthesis of the compound chloride with polyethylene glycol ether. Peculiarities of surface active methacrylate monomer. Surface tension in aqueous solution in contact with air.
Reactions 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.
Analysis of the method of synthesis of new materials with carboxylic acid groups, based on the template method, was developed. The efficiency of this methodology was demonstrated by powder x-ray diffraction, infrared spectroscopy and thermal analysis.
The basic properties of alkoxides. Production technology of alkali metals alkoxides. Direct Synthesis in the Interaction of Metal and Alcohol. Interaction Metals Oxides and Hydroxides with Alcohols. Exchange reactions with alcohols, transesterification.
The study of the synthesis and physicochemical properties of derivatives of 4-phenyl-5-(1,2,3-benzotriazolyl 1)-3-merkapto-1,2,4-triazole(4H). Due to computer prognosis data the substances synthesized are prospective anticonvulsants and antiasthmatics.
Ознакомление со свойствами щелочных металлов - химических элементов главной подгруппы периодической системы элементов Д.И. Менделеева. Анализ особенностей натрия - серебристо-белого мягкого металла, который на воздухе быстро окисляется с поверхности.
Сomparative analysis the chemistry of technetium and rhenium сarbonyl perchlorates [M(ClO4)(CO)5]. The descriptions of their molecular structure, physical properties, types of materials, methods and procedures for their synthesis and reactivity.
