Zobrazeno 1 - 10
of 31
pro vyhledávání: '"G. V. Avramenko"'
Autor:
M. V. Sardushkin, T. Yu. Koldaeva, A. V. Kukharenko, E. V. Il’yushenko, K. I. Kienskaya, I. A. Belova, A. M. Kusmaev, O. V. Zav’yalova, R. R. Ibragimova, L. I. Shaposhnikova, N. Yu. Guznova, G. V. Avramenko
Publikováno v:
Pharmaceutical Chemistry Journal. 53:175-177
A quantitative UV-spectrophotometric method for determining ribavirin was proposed. The method was demonstrated to be suitable in validation tests. Spectrophotometric determination of ribavirin in tablets was demonstrated to be possible.
Publikováno v:
Pharmaceutical Chemistry Journal. 51:60-64
A method for the microencapsulation of vinpocetine by solvent evaporation in polylactide (PLA) shells with different molecular weights using a mixture of polyvinyl alcohol (PVA) and dioctylsulfosuccinate sodium (Aerosol OT, AOT) at a mass ratio of 1:
Autor:
G. V. Avramenko, A. P. Lastovoy
Publikováno v:
Nanotechnologies in Russia. 9:245-252
The effect of the structure of nonionic surfactants on the self-organization (aggregation) of the hydrophobic compound β,β,β′,β′-tetramethyltribenzotetraazachlorin solubilized in solutions of these surfactants has been investigated in the pre
Publikováno v:
Russian Journal of Applied Chemistry. 86:782-786
Procedure for encapsulation of rifampicin by evaporation of a volatile solvent was developed. An effective stabilizer making it possible to reach a 23% incorporation of the main substance into capsules was selected. The basic microcapsule parameters
Autor:
Anatoly T. Soldatenkov, Victor N. Khrustalev, G. V. Avramenko, A. N. Levov, Svetlana A. Soldatova, A. I. Komarov
Publikováno v:
Russian Journal of Organic Chemistry. 44:1665-1670
By condensation of cycloalkanes with 2-{2-[2-(2-formylphenoxy)ethoxy]ethoxy}benzaldehyde and ammonium acetate by Petrenko-Kritchenko method first representatives of new heterocyclic systems, bis(benzo)-aza-14-crown-4 ethers containing a 7-aza-bicyclo
Publikováno v:
Russian Journal of General Chemistry. 78:1787-1793
Nucleophilic replacement of chlorine atoms in tetrachlorophthalonitrile by the action of primary and secondary amines was studied. The reactions of tetrachlorophthalonitrile with amines at a ratio of 1: 10 gave with high yields and regioselectivity t
Publikováno v:
Russian Journal of General Chemistry. 78:1794-1801
Chlorine-containing products of incomplete nucleophilic substitution in tetrachlorophthalonitrile were subjected to further reaction with nucleophiles. The nature of the nucleophiles and the order of their introduction into stepwise nucleophilic subs
Publikováno v:
Russian Journal of Applied Chemistry. 81:276-280
Microencapsulation of N-benzylmorpholine and its water-soluble derivative, N-benzylmorpholine hydrochloride, by simple and complex coacervation was studied, and the main steps of the processes were worked through.
Publikováno v:
Russian Chemical Bulletin. 56:2337-2343
Starting from the substituted 4,5-diaminopyrazolo[3,4-b]pyridine, derivatives of a number of tricyclic systems, viz., imidazo[4,5-d]pyrazolo[3,4-b]pyridine, pyrazolo[3,4-b][1,2,5]thiadiazolo[3,4-d]pyridine, pyrazolo[3,4-b][1,2,3]triazolo[4,5-d]pyridi
Publikováno v:
Russian Journal of General Chemistry. 77:1108-1116
Nucleophilic substitution of chlorine atoms in tetrachlorophthalonitrile by benzene- and alkanethiols in the presence of a base was studied at different reactant ratios. The substitution is characterized by complete regioselectivity: the chlorine ato