Current Troger’s Base Chemistry
Historical Developments; the Revival of Troger’s Bases, the Synthesis and Mechanism of Formation. Multiple TB Systems, reactivity. Physicochemical properties, molecular and Crystal Structure; Nuclear Magnetic Resonance Spectra; uses and applications.
Подобные документы
The 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 01.03.2014Combination 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 23.02.2016- 28. The thermo- and magnetogalvanic phenomena in nanohybrid clathrates and their practical application
The changes in the properties of the structures at the formation them in a magnetic or electric field, as well as under light, were shown. According to impedance spectroscopy and thermally stimulated depolarisation methods structures were investigated.
статья, добавлен 30.07.2016 Molecular 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 changes in the crystal structure of the material during thermal treatment and the effects of these changes on the properties of the material. Possibility of prediction of the changes of graphene oxide material during thermal processing.
статья, добавлен 20.03.2024Models 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 05.03.2013Synthesation, 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.
статья, добавлен 13.02.2015Studies, the specificity of interphase interactions and features of the formation of nanoheterogeneous structure in polymer system. Determining the structure of interfacial region, the supramolecular structure and mechanical properties of the composites.
статья, добавлен 30.07.2016New facile method for the controllable synthesis of high quality single-phase nanowires with from nanowires templates. Detailed characterization of the superconducting and transport properties of nanowires. Synthesis of porous nanowires and nanotubes.
статья, добавлен 30.07.2016The crystal structure of Yb2Al15Pt6, determined from X-ray single crystal diffraction data. The structural particularities of Yb2Al15Pt6, discussed in comparison with the structures of Y2Ga9Co3, Tb2Ge3Pt9, Yb2Ga9Pd3 and Er4Al24Pt9. The Al-Pt interactions.
статья, добавлен 23.02.2017Synthesis of a polymer by the reaction between maleic acid and 2-methylquinoxaline 1,4-dioxide. Using photocatalysis during synthesis. The reaction of the polymer with maleic acid molecules. Determination of the reaction mechanism and polymer structure.
статья, добавлен 03.11.2020The X-ray diffraction study of the isotypic structures of I and II reveals that the crystal structure consists of three structural units. The coordination polyhedron of the lanthanide atom. Atomic coordinates and equivalent displacement parameters.
статья, добавлен 23.02.2017Polymers, inorganic and organic, amorphous and crystalline substances consisting of "Monomeric units" connected in a long macromolecule chemical bonds. Molecular modeling of melting process of solid polymers in the transition and plastic deformation.
статья, добавлен 23.02.2016Ag-Ni alloy films were electrodeposited from an ammonia solution on copper substrates at various material ratios and current densities. Investigation of electrical conductivity and pH, formation of complexes with silver and nickel. X-ray diffraction.
статья, добавлен 16.01.2021The structure of the metal-containing azopolymers with electro-optical properties depending on the length of the spacer. Effect of electric field on absorption of metal-containing azopolymers. Reorientation of the dipole moments azobenzene groups.
статья, добавлен 21.12.2016Specific features of measuring the magnetic hysteresis of nano-sized multiferroic BiFeO3 powders synthesized by sol-gel method using citric acid at room temperature. Characterization of the main magnetic parameters of the obtained nanopowder samples.
статья, добавлен 12.05.2018- 42. 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 Using 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 02.04.2014Analysis of spectral characteristics of a steady state (excitation and emission) spectra of photoluminescence of europium included in the single crystal and glassy lithium tetraborate and silica to distinguish oxidation, the site-symmetry and morphology.
статья, добавлен 02.04.2014Influence of synthesis conditions on ceria particles size. Anticorrosion properties of modified carbon nanotubes. Realization the synthesis in aqueous solution at room temperature that reduces the cost of the preparation procedure of nanosized ceria.
статья, добавлен 04.04.2014Radical 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 18.04.2022Synthesis of a methacrylic azomonomers based on para-aminoacetanilide to obtain functionalized polymers for orientation of liquid crystals. The kinetics of polymerization of synthesized azomonomers. Constants of thermo-induced radical polymerization.
статья, добавлен 21.12.2016Modern 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 22.05.2022Concerning the separation, identification, and determination of the relative amounts of the components making up a sample. The relationship between analytical chemistry and the other sciences. Classification of modern analytical methods in chemistry.
презентация, добавлен 29.04.2015The 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 05.03.2013