Видання іноземною мовою. Кафедра фармацевтичної хімії та технології ліків: Recent submissions

Зараз показуються 121-137 з 137

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Interaction Products in the System Sulfur Dioxide–2,2′-Bipyridine–Water. Van der Waals Clathrates

Khoma, R. E.; Gelmboldt, V. O.; Ennan, A. A.; Baumer, V. N.; Tsapko, M. D. (2016)

Crystallization of 2,2′-bipyridine from aqueous solution containing sulfur(IV) oxide afforded clathrates with the composition (bipy)k·(SO2)m·(H2O)n. X-Ray amorphous guest SO2 molecules occupy voids in the crystal lattice ...
To the Properties of Fluorosilicic Acid: Evolution of Views on the State in Aqueous Solutions (Overview)

Gelmboldt, V. O. (2018)

The views of different authors on equilibria in solutions of fluorosilicic acid are discussed. The model of the aid as an equilibrium system involving hexacoordinated complexes [SiF6 – n(H2O)n]n – 2 (n = 0–2) is believed ...
Development of burdock leaves dense extract obtaining technology

Ulizko, I.; Trokhymchuk, V.; Stepanenko, S.; Bobritskaya, L. (2016)

Optimum conditions of extraction have been selected and a technology for producing a thick extract from the leaves of burdock has been developed. The optimum parameters are: extraction with 40% ethyl alcohol in a ratio of ...
On Interaction of Sulfur(IV) Oxide with Aqueous Solutions of Ethanolamines

Khoma, R. E.; Shestaka, A. A.; Gel’mbol’dt, V. O. (2012)

Potentio- and conductometric titration was used to study the interaction in sulfur(IV) oxide–ethanolamines–water systems in comparison with the previously obtained pH-metric data on how the corresponding onium sulfites, ...
Development of the composition and technology of a caries preventive gel

Anisimov, V. Yu.; Gelmboldt, V. O.; Polovko, N. P.; Анісімов, В. Ю.; Гельмбольдт, В. О.; Половко, Н. П.; Анисимов, В. Ю.; Гельмбольдт, В. А.; Половко, Н. П. (2015)

Prevention of dental caries involves remineralization of the tooth surfaces with calcium and phosphorus medicines, but the use of ﬂuorine-containing remedies in the form of a cream, gel and varnish is more effective. The ...
Development of the quantitative determination method for a new caries-preventive compound

Anisimov, V. Yu.; Gelmboldt, V. O.; Bevz, N. Yu.; Georgiyants, V. A.; Анісімов, В. Ю.; Гельмбольдт, В. О.; Бевз, Н. Ю.; Георгіянц, В. A.; Анисимов, В. Ю.; Гельмбольдт, В. О.; Бевз, Н. Ю.; Георгиянц, В. А. (2016)

Fluorides are the most important treatment and preventive additive in the composition of any form; they prevent development of caries by increasing the resistance of enamel, as well as production of acids by bacteria of ...
The use of the HPLC method for the quantitative determination of cetylpyridinium hexaﬂuorosilicate in a dental gel

Anisimov, V. Yu.; Gelmboldt, V. O.; Gubar, S. M.; Myhal, A. V.; Bevz, N. Yu.; Georgiyants, V. A.; Анісімов, В. Ю.; Гельмбольдт, В. О.; Губар, С. М.; Мигаль, А. В.; Бевз, Н. Ю.; Георгіянц, В. А.; Анисимов, В. Ю.; Гельмбольдт, В. О.; Губарь, С. Н.; Мигаль, А. В.; Бевз, Н. Ю.; Георгиянц, В. А. (2017)

Cetylpyridinium hexaﬂuorosilicate has been proposed as a caries preventive and antibacterial agent for use as a gel for oral application, which requires development of quality control methods. Aim. To develop the method ...
Synthesis, Spectral Characteristics, and Some Properties of Methylammonium Sulfamate Monohydrate. A New Route to Sulfamic Acid Derivatives

Khoma, R. E.; Mazepa, A. V.; Gelmboldt, V. O.; Shestaka, A. A.; Koroeva, L. V.; Tsapko, M. D.; Ennan, A. A. (2010)

Abstract—Redox transformations of the products of reactions of the CH3C(S)NH2–SO2–H2O system components yield methylammonium sulfamate monohydrate [CH3NH3] +[OSO2NH2] – H2O and elemental sulfur. The synthesized compound ...
Synthesis, Crystal Structure, Vibrational Spectra, and Thermochemical Transformations of Tris(hydroxymethyl)aminomethane

Khoma, R. E.; Gel’mbol’dt, V. O.; Shishkin, O. V.; Baumer, V. N.; Ennan, A. A. (2014)

Abstract—A practically promising compound, tris(hydroxymethyl)aminomethane sulfate ((TRISH)2SO4, C8H24N2O10S) was synthesized and studied by a set of experimental methods (elemental analysis, IR and Raman spectroscopy, ...
Synthesis and Structure of N(Hydroxyethyl)ethylenediammonium Sulfite Monohydrate

Khoma, R. E.; Gelmboldt, V. O.; Shishkin, O. V.; Baumer, V. N.; Puzan, A. N.; Ennan, A. A.; Rakipov, I. M. (2014)

A reaction between sulfur(IV) oxide and aqueous N(2hydroxyethyl)ethylenediamine yields onium sulfite of composition (HOCH2CH2NH2CH2CH2NH3)SO3 ⋅ H2O, which has been characterized by Xray diffraction, IR spectroscopy, and ...
Synthesis and Structure of Aminoguanidinium Sulfite Monohydrate

Khoma, R. E.; Gelmboldt, V. O.; Baumer, V. N.; Shishkin, O. V.; Koroeva, L. V. (2013)

Abstract—The reaction between sulfur(IV) oxide and an aqueous suspension of aminoguanidinium hydro carbonate yields (CN4H7)2SO3 ⋅ H2O, an “onium” sulfite, which has been characterized by Xray diffraction and IR spectroscopy ...
Products of Interaction between Sulfur(IV) Oxide and Aqueous Solutions of Hexamethylendiamine and tertButylamine: The Crystal Structure of Hexamethylenediammonium Sulfate Dihydrate

Khoma, R. E.; Ennan, A. A.; Shishkin, O. V.; Baumer, V. N.; Gel’mbol’dt, V. O. (2012)

The possibility of mild SO2 oxidation in sulfur(IV) oxide–alkylamine–water–oxygen systems is demonstrated to yield onium sulfates.
Preparation and Some Physicochemical Properties of Benzylammonium Sulfates

Khoma, R. E.; Ennan, A. A.; Gelmboldt, V. O.; Shishkin, O. V.; Baumer, V. N.; Mazepa, A. V.; Brusilovskii, Yu. E. (2014)

New method of preparation of multisubstituted benzylammonium cations via interaction in the SO2–L–H2O systems (L is benzylamine, α-phenylethylamine, N,N-dimethylbenzylamine, or dibenzylamine) has been developed. The ...
Onium Salts of Sulfur-Containing Oxyanions Resulting from Reaction of Sulfur(IV) Oxide with Aqueous Solutions of 1,2-Diamines and Morpholine

Khoma, R. E.; Gel’mbol’dt, V. O.; Ennan, A. A.; Baumer, V. N.; Puzan, A. N.; Koksharova, T. V.; Mazepa, A. V. (2017)

Reaction products have been isolated from SO2–L–H2O–О2 systems (L = ethylenediamine, N,N,N',N'-tetramethylethylenediamine, piperazine, and morpholine) as onium salts [H3NCH2CH2NH3]SO4, [(CH3)2NHCH2CH2NH(CH3)2]SO4, ...
Hexafluorosilicates with antibacterial active guanidine containing cations

Gelmboldt, V. O.; Anisimov, V. Yu.; Prodan, O. V.; Гельмбольдт, В. О.; Анісімов, В. Ю.; Продан, О. В.; Гельмбольдт, В. О.; Анисимов, В. Ю.; Продан, О. В. (2014)

The present research has studied the spectral data, thermochemical transformations and hydrolysis of hexaﬂuorosilicates with guanidine containing cations (C22H32Cl2N10)SіF6 (І) and (C21H45N9)(SiF6)1.5 (ІІ) for their ...
Methylammonium Sulfate: Synthesis and Structure

Khomaa, R. E.; Gel’mbol’dt, V. O.; Baumerd, V. N.; Puzand, A. N.; Ennana, A. A. (2015)

The reaction between sulfur(IV) oxide and aqueous methylamine yields “onium” sulfate (CH3NH3)2SO4, which was characterized by Xray diffraction, IR spectroscopy, and mass spectrometry. The structure of the sulfate is ...
Onium Sulfates and Hydrogen Sulfates: Products of Reactions of Sulfur(IV) Oxide with Aqueous Solutions of Alkylamines and Aniline

Khoma, R. E.; Gel’mbol’dt, V. O.; Ennan, A. A.; Baumer, V. N.; Rakipov, I. M.; Dlubovskii, R. M. (2018)

The reaction products formed in the SO2–L–H2O–O2 systems (L is n-propylamine, n-butylamine, tert-butylamine, n-heptylamine, n-octylamine, aniline) were isolated and identified as “onium” salts [n-C3H7NH3]2SO4, [n-C4H9NH3]2SO4, ...

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