Topics in Heterocyclic Chemistry
Critical reviews on "Heterocyclic Compounds" within topic-related volumes dealing with all aspects such as synthesis, reaction mechanisms, structure complexity, reactivity, stability, biology, pharmacological aspects, applications in material sciences.
Подобные документы
Crystals of the [Cu(C4H7N3S)Cl] (1)-complex were synthesized by solvothermal reaction of 2-amino-5-ethyl-1,3,4-thiadiazole (C4H7N3S) with CuCl in hydrochloric acid solution, and studied by X-ray diffraction. 3D hydrogen-bonded framework in complex.
статья, добавлен 23.02.2017The study and characterization of sustainable impact polyacrlic acid (anionic polymer) by adsorption on the surface of fumed silica (SiO). Monitoring changes in the suspension stability using a Turbiscan LabExpert with TLAb cooler cooling module at 25oC.
статья, добавлен 02.04.2014The specificity of the hydrothermal method for the synthesis of calcium carbonate. Determination of the nanostructure in the present inorganic chemical compound of salt carbonic acid and calcium. The diffraction characteristics of the calcium salt.
статья, добавлен 30.07.2016Determine the optimal parameters of synthesis and base properties of nano-tubular crystals Mg-Ni chrysotiles. temperature ranges and pressure for the synthesis of nano-tubular crystals all synthesed chrysotile at the time of isothermal exposure.
статья, добавлен 30.07.2016Monomers conversion dependence on reaction mixture composition. Consideration of the dependence cooligomer of and its characteristics, average molecular weight. Study of liquid products of pyrolysis of hydrocarbons: styrene and dicyclopentadiene.
статья, добавлен 23.02.2016The 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 28.07.2017On the basis of experimental studies and mathematical modeling, the choice of optimal conditions for 2,3-dimethylbuta-1,3-diene and 2-hydroxyethyl methacrylate cyclization reaction with obtaining of 2-hydroxyethyl-1,3,4-trimethylcyclohex-3-carboxylates.
статья, добавлен 23.02.2016A 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.
статья, добавлен 23.02.2017By 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.
учебное пособие, добавлен 05.03.2013Physico-chemical characteristics of I-40 and MS-20 commercial mineral oils. The use of such oils for the lubrication of molds in the manufacture of glass containers. The study of the thermal stability of oils and their fractions of hydrocarbons.
статья, добавлен 23.02.2016Models of 5,10-methylenetetrahydrofolate in organic synthesis and their reactions. Syntheses using mononucleophiles and binucleophiles. Molecular mechanism of carbon transfer reactions. Designs of models of coenzyme 5,10-methylenetetrahydrofolate.
статья, добавлен 05.03.2013Studying of the structure of low-metamorphosed coal vitrain macromolecules. The mechanism of thermal preparation in gas coal electromagnetic field is shown. The influence mechanism of the high-frequency electromagnetic energy on the coal particle.
статья, добавлен 21.12.2016Mathematical formalism of the second quantization. Application of the Wick’s theorems for calculation of the matrix elements over configurations. The interaction in the second quantization representation: basics with applications up to full chlorine.
статья, добавлен 10.12.2016The crystal structure of racemate R,S-7-bromo-3-ethoxy-5-phenyl-3H-1,4-benzodiazepine- has been compared to the structure of R-enantiomer. It has been determined that crystals of R-enantiomer and R,S-racemate are formed by the similar H-bonded chains.
статья, добавлен 01.03.2014Chemical compositions of Portland cement. Possibility of using waste glass in building technology. A structure alkaline compounds. Study of fine-grinded glass. Influence additives on the induction and post-induction periods of Portland cement hardening.
статья, добавлен 23.02.2016Studying The Effect of the Stabilizer Amount on The Prepared Silver Stannate. The relation between stabilizer type and the required time of the separation process. Studying the Stability of the Silver Stannate in the Presence of P-carrageenan Stabilizer.
статья, добавлен 09.03.2021Study 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.
статья, добавлен 23.02.2016Hydrogenation of these oxygen-stabilized n-phases with Ti2Ni-type structure proceeds through expansion of their unit cells by 15.5 and 17.3%, respectively, without change of the type of metal matrix. Insertion of deuterium atoms into the metal matrix.
статья, добавлен 23.02.2017Using of solid carbon in industrial branches. Analyzes of the unity of composition, molecular and supermolecular structure of shungite concentrate and silicon-carbon from rice hulls which provides their effective practical use in the same engineering.
статья, добавлен 02.04.2014- 120. 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 Preparative and research methods of biochemistry, molecular biology, and biotechnology. Application of the affinity of biological molecules to complementary structures. Consideration of using scheme for activation cascade of the blood clotting system.
статья, добавлен 15.04.2024Rapid determination of glucose concentration in technical and biological systems as an important scientific and technical task of modern chemistry. Review of the latest technical solutions in this area. Problems of developing first-generation biosensors.
статья, добавлен 19.09.2024New approaches to 16, 16, 16, 17, 17-hexafluororetinal and analogs, via 2-methyl-6, 6-bis (trifluoromethyl) cyclohexanone and 2-methyl-6, 6-bis (trifluoromethyl) cyclohex-1-ene-1-carbaldehyde (7, 7, 7, 8, 8, 8-hexafluoro-cyclocitral) are presen.
статья, добавлен 14.02.2014Characteristic of features of rechargeable nickel-metal hydride batteries, which predominantly used in hybrid electric vehicles. Acquaintance with crystallographic data nickel-metal hydride. Analysis of thermodynamics and kinetics of the interactions.
статья, добавлен 23.02.2017Plastic additives as a wide range of chemicals used by resin manufacturers, compounds and manufacturers to improve the properties, processing and characteristics of polymers. Features of their chemical composition and conditions of effective use.
статья, добавлен 10.03.2019