Advances in the Chemistry of Naphthyridines
Analysis, synthesis and properties of six isomeric heterocyclic systems containing two fused rings of pyridine with different relative positions of the atoms of nitrogen - naphthyridines. Physicochemical properties and reactivity of naphthyridines.
Подобные документы
The 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 05.03.2013Analysis 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.
статья, добавлен 02.04.2014Combination 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.
статья, добавлен 23.02.2016Purines Fused to Six-Membered Heterocycles. Pyrido-, pyridazino-, pyrimido-, pyrazino-, oxazino-, thiazino-, triazino-purines. Purines Fused to Seven- and Eight-Membered Heterocycles. Oxdiazocino- and Thiadiazocino-Purines Efforts to obtain compounds.
статья, добавлен 05.03.2013The temperature dependence of the sulfur and tin vapor. Influence of growth conditions on the morphology of the surface and structural properties of the films with the stoichiometric composition and substrate temperature on their chemical composition.
статья, добавлен 30.07.2016Catalytic, electrical, optical and magnetic properties of cobalt sulfide. Chemical structure and application of inorganic compounds and salts the sulfurous acid. Brief description of the structure of pyrite. Methods for the synthesis of the metals.
статья, добавлен 30.07.2016This 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 30.07.2016Carboxymethyl cellulose as the one of largest and most widely used ether. Creating a uniform distribution of reagents in the area of chemical reactions - the process which underlying the modeling of macrokinetics carboxymethylation of cellulose.
статья, добавлен 05.12.2018Preparing 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 02.04.2014Classification of terpenes. Diterpenes - organic compounds of terpenes group consisting of 4 isoprene units. Properties. Application. Drugs of the triterpene saponins. Gliderinin. Bioslastilin. Physical and chemical properties of triterpene saponins.
презентация, добавлен 15.01.2017- 61. Algorithm of optimal solution search for the control with model system of methanol synthesis column
The mechanism of development and implementation of the optimal synthesis search algorithm and analysis of gas costs. Features of control using the maintenance schedule. Technological process of methanol synthesis under conditions close to optimal.
статья, добавлен 14.01.2017 Influence of the basic nature of finely dispersed microfillers on the kinetics of hydrate release and localization and the degree of its crystallization. Formation of contacts between particles of systems, including various modifications of gypsum.
статья, добавлен 19.02.2021Radical 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 18.04.2022The use of block copolymers on the basis of oxides of ethylene and propylene as demulsifiers of oil emulsions. Determination of the dependence of their physico-chemical properties from the content oxyethylene and oxypropylene groups in the molecule.
статья, добавлен 23.02.2016- 65. Super deep penetration - new method of nanoreinforced composites producing based on polymer matrixes
Effect of the method of mixing isoprene rubber with nanofillers on the properties of nanocomposites. The thermostability of rubber based on isoprene elastomer with MMT. The physical-mechanical properties of rubber based on isoprene elastomer (SRI).
статья, добавлен 29.06.2017 Synthesis ferroelectric compounds Sr(B1/3Nb2/3)O3 by solid state reaction technique. Consideration of the correlation between the dielectric response and transport behavior. Emprovement dielectric material properties. Motion energy storage devices.
статья, добавлен 30.07.2016A 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.
статья, добавлен 23.02.2021- 68. The influence of modified methyl cellulose on the main properties of expanding cementing slurries
The effect of modified methylcellulose on the main properties of expanding cementing slurries. When cementing low-temperature wells, expanding cementing slurries based on a mixture of Portland cement and gypsum alumina cement cement (30-25% GAC) are used.
статья, добавлен 20.03.2024 Analysis of the effect of resin in the carrier of the coating on its operational properties. Coating classification by type. Characteristics of the widely used resins for the manufacture of modern coatings: acrylics, alkyds, epoxy resins, polyesters.
статья, добавлен 10.03.2019Study 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 23.02.2016The study of the composition and the structure of the original and modified lignocellulosic materials. Analysis of the dependence of sorption properties of lignocellulosic composites in relation to heavy metals from changes in the functional composition.
статья, добавлен 04.04.2014Study of adsorption of cadmium (II) cations on the surface of macroporous amorphous silica with chemically modified b-cyclodextrin, its functional derivatives. The analysis of kinetic curves of sorption within the Lagergren model reaction pseudo order.
статья, добавлен 02.04.2014Investigations concerning the processes of plugging stone structure formation, using X-ray diffraction, electronic microscopy were implemented. Influence of active mineral additives of metakaolin on the properties of plugging mortar were established.
статья, добавлен 21.12.2016Biological, 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 22.02.2021- 75. Сhemical Bonds
The chemical bonds formed by the interaction of electrons. Compound atoms in the molecule. Filled valence shell. The orbital space around the nucleus. The relationship between hydrogen atoms. Interaction of alkali or alkaline earth metals with halogens.
презентация, добавлен 22.02.2015