By 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.
Проведення розрахунку квантово-хімічних дескрипторів 9 похідних піридинкарбонових кислот методом АМ1. Описання залежності між електронно-просторовою структурою досліджуваних сполук і їх протитуберкульозною активністю з використанням QSAR-моделей.
Combination of methods quantum chemistry. Geometrical and electronic structure of clinoptilolite clusters modified by zinc and calcium. Redistribution of electronic density on the oxygen atoms of clusters during formation of bonds with zinc and calcium.
Physical 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.
Research and characterization of the most common used solar cells which are based on silicon technology. Determining width of the space charge region and quantum yield of solar cells. Influence and analysis of recombination losses on efficiency.
The graphene basic properties is given. The possible role of intrinsic and deliberately induced structural defects in electronic and chemical properties of graphene substrates. Optimized geometric structures for the Stone-Wales defect functionalized.
Примеры реакций с участием SH-формы гидросульфит-иона. Реакции получения кислот (анионов). Окислительно-восстановительные свойства соединений серы (IV). Строение анионов политионовых кислот, особенности ионной жидкости. Катионные формы теллура и селена.
Chemical properties of sodium. Sodium compounds are important to the chemical, glass, metal, paper, petroleum, soap, and textile industries. History of appearance of sodium. The serum sodium and urine sodium.
Synthesation, physicochemical properties of nanopowders LaPO4-LuPO4-H2O and LaPO4-YPO4-H2O. Investigation of thermal behavior orthophosphate nanosized solid solutions. Discussion results of the experiment, solubility and melting temperatures of systems.
Analysis of the results of the design and selection of compounds antimicrobial ointments containing gentamicin as the main active ingredient gallotannin and succinyl as a component of antiresistant against multiresistant strain of Pseudomonas aeruginosa.
Sulfur - substance that be in the most kinds of steel. Research of influence of ladle furnace reductants in the desulfurization process. Control ultra-low sulfur steel. The chemical degassing in the ladle furnace-vacuum. Maintaining a low sulfur content.
Influence of temperature on the photoluminescence of rhodamine deposited on array of the gold nanoparticles was studied. The factor of surface plasmonic enhancement of rhodamine luminescence. Electron-phonon scattering and thermal expansion of the gold.
Alkylation of potassium 9-R1-10-R2-3-R-2-oxo-2Н-[1,2,4]triazino[2,3-с]quinazolin-6-thiolates by N-cycloalkyl-(cycloalkylaryl-)-2-chloracetamides. Analizes of indicators of the antiviral activity of compounds 3.2 and 3.14 against influenza type A H3N2.
Consideration the result of modification of 2-iminocoumarin-3-carboxamides with 2-amino-4,5,6,7-terahydrothieno[2,3-c]pyridin-3-carboxamides the novel 2-(coumarin-3-yl)-3,4,5,6,7,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one derivatives.
The 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.
Determination of biological activity of newly synthesized physiologically active substances. Study of antimicrobial activity, inhibits the development of gram-positive and gram-negative microorganisms. The features of systematic studies of 4-ticinonline.
Distribution of essential chemical elements and toxicants in terrestrial phytomass of woody plants fir white European, which is a species of forest on the territory of the Dniester region. Estimation of biospheric and stabilize the environment functions.
Investigation of the influence intercalation ions of Ni2+ on the electrical properties of indium selenide crystals. The surface of InSe layered crystals. Investigation of magnetic properties of intercalated NiXInSe. The basic samples of InSe.
Investigation of optical absorption spectra of YAG: Cr, Mg, and GGG: Cr, Mg films during high-temperature annealing in oxidation and reduction atmospheres. Factors to increase in absorption in the visible region, the charge exchange of chromium ions.
Study of kinetic parameters and the basic kinetic regularities of aldol condensation reaction of propionic acid with formaldehyde on B2O3-P2O5-WO3/SiO2 catalyst in the gas phase. Methods of obtaining polymer materials with valuable technical properties.