Fluorine-Containing Heterocycles
The method of synthesis of fluorinated heterocycles. The use of mono- and 1,3-dicarbonyl substrates and their nitrogen-containing analogues. Biological activity, physical and chemical properties of heterocyclic compounds with perfluoroalkyl groups.
Подобные документы
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.
статья, добавлен 18.04.2022Modern and effective methods of hardening metals. Nitriding in a glow discharge in ammonia or in an anhydrous medium. Tribological and physicochemical properties of hardened surfaces obtained by nitriding with autonomous and interconnected BATR modes.
статья, добавлен 22.05.2022Molecular geometry - the general shape of a molecule or the arrangement of atoms in three dimensional space. Physical and chemical properties of an atom. Main examples of predicting molecular geometry. The valence shell electron and her repulsion.
презентация, добавлен 16.10.2014Study 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 21.12.2016Сomparative 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.
статья, добавлен 30.01.2014- 81. Synthesis and crystal structure of an Ag(I) complex of composition (C9H7N(C3H5))2[AgBr2]Br(H2O)2
Coordination behavior of Ag (I) with cations of N-allyl quinolinium. Synthesis of N-allyl quinolinium bromide. Determination of the structure of the x-ray crystal. Bromine ions of the second crystallographic type. Study silver nitrate compounds.
статья, добавлен 23.02.2017 Synthesis 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 23.02.2017Obtaining 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.
статья, добавлен 15.01.2021Chemical hazards and toxic substances pose a wide range of health hazards (such as irritation, sensitization, and carcinogenicity) and physical hazards (such as flammability, corrosion, and explosibility). Explosives. Gases. Flammable liquids, solids.
презентация, добавлен 18.09.2016Chemical identification of polymer additives and its significance for links in the plastics supply chain. The effect of additives on the properties of materials and on the cost of production of polymers. Quantitative determination of polymer additives.
статья, добавлен 10.03.2019Examined of the physical-chemical properties and thermal decomposition, as well as infrared spectrum of glass. Acquaintance with the results of the derivatographic analysis. Study of the coincidence of crystallization temperatures of glass decomposition.
статья, добавлен 26.02.2021The environmental pollution as a phenomenon of great concern worldwide. Industrial wastewater samples. Biosorption experimental procedure. System design laboratory. Chemical and physical measurements. The efficiency of laboratory design, main results.
статья, добавлен 10.03.2018Friction units for automotive and special vehicles are designed to operate under friction conditions. The development of a unified understanding of the effect of the size and chemical nature of ceramic additives on the processes occurring in a friction.
статья, добавлен 22.05.2022Study 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.
статья, добавлен 23.02.2016Technique of chemical etching as a promising method for creating nanostructures of si. The development of photovoltaic converters and methods of production resoursesaving for silicon micro - and nanostructures based on isotropic and anisotropic etching.
статья, добавлен 30.07.2016Study of synthesis of silica-based organic-inorganic hybrid materials with grafted 2-aminoethylpyridine functional groups. By elemental analysis to determine the composition of substances. Analysis of surface-structural characteristics of SiAEP.
статья, добавлен 02.04.2014The 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.
статья, добавлен 28.07.2017Development of technological scheme for processing of oil extracted in Iraq. Characteristics and physico-chemical properties of the oils of Iraq. A description of the stages of oil refining. Calculations of material balances of each processing stage.
статья, добавлен 23.02.2016Synthesis of sorption-active material carrying groups 5% chlorosulfonic acid by radiation-induced graft polymerization of styrene monomer on the surface of non-woven polypropylene fabric with subsequent sulfonation of the grafted polystyrene chains.
статья, добавлен 02.04.2014Two possible approaches to the phenothiazine ring that, to the authors’ knowledge, have not been explored yet. The attack of a nitrene onto a diary sulde, the "nitrogen equivalent" of the thionation reaction. The diene character of ve-membered rings.
научная работа, добавлен 05.03.2013Analyzing the results obtained, it can be assumed that studied structure of compound crystallizes in its own structural type. The study of crystal structure of a compound contributes to a better understanding of its physical properties (ferroelectric).
статья, добавлен 05.09.2022Treating the properties of oxidized activated carbon KAU by different temperatures in inert atmosphere were studied by means of DTA, Boehm titration, XPS and AFM methods and their catalytic activity in hydrogen sulphide oxidation was established.
статья, добавлен 04.04.2014Brief biographical information about the life of F. Haber - a German chemist and Nobel laureate. Investigation the reaction of nitrogen with hydrogen, which produces ammonia. The essence of Le Chatelier's Principle. The main function of the catalyst.
реферат, добавлен 04.02.2015Development of a method of mixing the hydroxides for the preparation of Lі[Ni0.5Co0.25Mn0.25]O2 from the respective products. Determination of average grain size, the measurement of impedance. Study of electrochemical properties using cyclic voltammetry.
статья, добавлен 21.12.2016The cycle of sanitary and chemical investigations of various artificial leathers and the polymer composition. The possibility of conducting direct stabilization of artificial leathers. The hygienic evaluation of polymers and polymer-containing materials.
статья, добавлен 29.01.2016