Topics in Heterocyclic Chemistry
Reviews on "Heterocyclic Compounds" on aspects such as synthesis, reactionmechanisms, structure complexity, properties, reactivity, stability, fundamental and theoretical studies, biology, biomedical, pharmacology, applications in material sciences.
Подобные документы
The study of the effect of bismuth nitrate (Bi (NO3) 3) deposited on tissue samples, coated tissue was evaluated by measuring the penetration of radiation. Various properties, such as mass per unit area, material thickness and surface morphology.
??????, добавлен 06.07.2020Thiophene ring closure in pyridine derivatives. Syntheses of tri- and polycyclic systems based on thienopyridines. Pyridine ring closure in thiophene derivatives. Methods for the preparation of thieno[3,2-b]pyridine derivatives and their properties.
??????, добавлен 05.03.2013Oxidized with solution of hydrogen peroxide multiwalled carbon nanotubes (MWCNTs) were modified with 2-hydroxyethylmethacrylate (HEMA) or chitosan (CTS). Morphology and surface properties of the pristine and modified MWCNTs have been investigated.
??????, добавлен 03.04.2014Study of the electrochemical behavior of various anode materials in electrolytes containing trivalent chromium salts. Semiconductor properties of electrodes. The choice of the optimum anode material for the processes of chromium from electrolytes.
??????, добавлен 30.10.2016The chemical structure of the polymer latexes. The influence of surfactants on the drip solution. The mechanism of anionic with a negative charge in the screed, acting as air entrainment. Hydrogen bonding, water absorption and compressive strength.
??????, добавлен 22.02.2015Polymers, 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.
??????, добавлен 23.02.2016- 107. The influence of chemical structure of chromophore on polymerization of methacrylic azomonomers
Synthesis 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.
??????, добавлен 21.12.2016 Examined 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.
??????, добавлен 26.02.2021Friction 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.
??????, добавлен 22.05.2022The dissolution of the electrolyte causes a change in the structure of water depending on the nature of dissolved ions. The structural features of aqueous solutions of electrolytes. Temperature, pressure has a influence on the structure of electrolytes.
??????, добавлен 14.12.2024Search of bioactive substances containing in the molecule a heterocycle and a deputy with high antioxidant properties such as succinic acid. Antibacterial and cytotoxic action of Di-Na-salt. Methods of di-Na-salt of 2-(pyridine-4-iltio)succinic.
??????, добавлен 29.01.2017SiO2 materials containing different magnetic fillers are obtained by the sol-gel method. It is studied the weakening of electromagnetic radiation in the frequency range 8–11.5 GHz by the materials obtained with the use of panoramic attenuation measurers.
??????, добавлен 02.04.2014Synthesis 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.
??????, добавлен 02.04.2014The 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.
??????, добавлен 04.04.2014Study of the reaction of polyelectrolytes. Research of the structure and membrane properties of sodium carboxymethylcellulose and urea-formaldehyde oligomer. Development of technology for manufacturing biocompatible polymeric materials for medicine.
??????, добавлен 17.02.2019Synthesis methods development of ionic liquids based on quaternary ammonium salts, their application as components of the polymeric electrolytes for electrochemical devices. ?roperties of liquids depending on the structure of cationic and anionic parts.
??????, добавлен 20.03.2014Ag-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.
??????, добавлен 16.01.2021Development 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.
??????, добавлен 23.02.2016- 119. The sol-gel method for preporation of polysiloxane xerogels containing carboxylic functionality
A procedure of a sol-gel method for synthesis of new polysiloxane xerogels with propionic and butyric acid-type groups. Structure of some carboxylic groups. Scrutiny specific surface areas of polysiloxane xerogels and average pore diameter of samples.
??????, добавлен 18.03.2014 - 120. The experimental study of the effect of raleukin on development of dithizone diabetes in rabbits
Diabetes mellitus in the structure of endocrine diseases. The study of the effect of antioxidant properties of a biological product is a recombinant receptor antagonist Il-1 relacin and hypoglycemic action for major reaction non-enzymatic glycosylation.
??????, добавлен 29.01.2016 Physicochemical properties of 1-alkyl-5-methyl-6-(2-methyl-1,3-thiazol-4-yl)-3-phenylthieno[2,3-d]pyrimidine-2,4(1H,3H)-diones 3 and 4. The method for preparation of 5-methyl-6-(2-methyl-1,3-thiazol-4-yl)-3-phenylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione.
??????, добавлен 29.10.2016Synthesis semizwitterionic viologens for the crystal engineering of functional materials. Application of the control positions of molecules in crystals using hydrogen bonds. The triple helices had obtained by tunig the spacer between donor and acceptor.
??????, добавлен 17.02.2014Investigation 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.
??????, добавлен 30.07.2016- 124. Enhancement of the hydrogen sorption on mesoporous carbon by doping with palladium nanoparticles
Using the matrix synthesis protocol of Ryoo for the preparation of highly ordered cubic mesoporous carbon using mesoporous silica as a template, in order to prepare palladium-doped. Analyzes formation of mesoporous carbon followed by X-ray diffraction.
??????, добавлен 02.04.2014 The 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.
??????, добавлен 02.04.2014