Synthesis and modification of 2-(coumarin-3-yl)-3,4,5,6,7,8-hexahydropyrido [4',3':4,5]thieno[2,3-d]pyrimidin-4-ones
Consideration the result of modification of 2-iminocoumarin-3-carboxamides with 2-amino-4,5,6,7-terahydrothieno[2,3-c]pyridin-3-carboxamides the novel 2-(coumarin-3-yl)-3,4,5,6,7,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one derivatives.
Подобные документы
Natural zeolite clinoptoline and its nanomodified forms have been used for modification of structures of the composite building materials. Characteristics of this zeolite have been studied by thermal analysis, IR spectroscopy, and adsorption methods.
автореферат, добавлен 02.04.2014Alkylation of potassium 9-R1-10-R2-3-R-2-oxo-2Н-[1,2,4]triazino[2,3-с]quinazolin-6-thiolates by N-cycloalkyl-(cycloalkylaryl-)-2-chloracetamides. Analizes of indicators of the antiviral activity of compounds 3.2 and 3.14 against influenza type A H3N2.
статья, добавлен 29.01.2016The novel approach to chemical design of carbon-coated Al2O3 nanoparticles with an average particle size of 8-10 nm was developed. Carbon coating was synthesised by modification of fumed alumina support with 4,4-methylenebis and its subsequent pyrolysis.
автореферат, добавлен 02.04.2014Study of influence of amino acids on the hydroxyapatite formation. Study of mineral obtained by transmission electron microscopy and powder X-ray diffraction. Analysis of the phase composition, crystal size and lattice microstrains of calcium phosphate.
статья, добавлен 23.12.2016Influence 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 04.04.2014The formation of the potassium salt of 3-substituted 6-thio-6,7-dihydro-2H-[1,2,4]triazino[2,3-C]quinazoline-2-ones in the presence of potassium hydroxide in alcohols via reaction of 6-R-3-(2-aminophenyl)-1,2,4-triazin-5-ones (2) with carbon disulfide.
статья, добавлен 22.02.2014Analysis 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 02.04.2014Crystals 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 23.02.2017Study of the synthesis of complexes of diacetylhydrazine with hydrazine hydrate. Carrying out the reaction of the ligand with cobalt in the presence of salts of metal chloride and furfural. Condensation of diacetylhydrazine with hydrazine monohydrate.
статья, добавлен 15.01.2021- 35. Ir spectroscopy and tg analysis investigations of functionalized go and go-containing divinyl rubber
Analysis of the results of a study of graphene oxide and divinely rubber containing graphene oxide, functioning-RO (Oh)2 slot groups as a result of a kill-chlorophosphorylation reaction under the action of PCl3 in the presence of oxygen. Synthesis of GO.
статья, добавлен 10.05.2018 Synthesis of folate-ferrocene conjugate (FFC) through a stage of synthesis ferrocene carboxylic acid. Confirmation of the structure of the conjugate by the methods of spectroscopy. Studies of the biological activity of FFC by the method of tissue culture.
статья, добавлен 21.12.2016Synthesis 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 03.11.2020Method of syntesis of novel N-substituted 3-(aminosulfonyl)-2H-1-benzopyran-2-one in the Knoevenagel condensation conditions. Studing the biological activity of derivatives against protozoan and helminth parasites, active against Onchocerca lienalis.
статья, добавлен 19.02.2014Obtaining 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 15.01.2021Consideration of oxygen as a basic element of atmosphere of Earth, his constituents, oxides, behavior of oxygen as a result of combustion, use of oxygen in a fuel, way of his receipt, production and uses of oxygen in different industries of industry.
презентация, добавлен 23.02.2014The transformation of 4-oxo-3,4-dihydroquinazolinone derivatives containing an ester group under the conditions of the Grignard reaction. Investigated acetic acid esters proceeds involving the ester group and the excess. The studying reaction of reagent.
статья, добавлен 01.03.2014Synthesis 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 30.07.2016Consideration of the results of x-ray diffraction of the considered chemical compounds. Structural properties of the films of magnesium oxide. Substantiation of optimum parameters of temperature of synthesis of organic and many inorganic compounds.
статья, добавлен 30.07.2016- 44. 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 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.
статья, добавлен 17.02.2014- 46. 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.
статья, добавлен 02.04.2014 The 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 30.07.2016The 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 28.07.2017Models 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 05.03.2013