Zobrazeno 1 - 10
of 78
pro vyhledávání: '"T.V. Koval'chuk"'
Publikováno v:
Karpatsʹkì Matematičnì Publìkacìï, Vol 12, Iss 2, Pp 504-521 (2020)
The problem of optimal control at finite time interval for a system of differential equations with impulse action at fixed moments of time as well as the corresponding averaged system of ordinary differential equations are considered. It is proved
Externí odkaz:
https://doaj.org/article/fe69ec03e9e44ed999441583d1d14bc8
Publikováno v:
Carpathian Mathematical Publications. 12:504-521
The problem of optimal control at finite time interval for a system of differential equations with impulse action at fixed moments of time as well as the corresponding averaged system of ordinary differential equations are considered. It is proved th
Autor:
H. I. Harbatsevich, Y. V. Faletrov, T.V. Koval’chuk, A.V. Hlushko, I.I. Azarko, N.V. Loginova, Anna T. Gres, N.P. Osipovich, G. I. Polozov, Yu.S. Halauko, Yu. V. Bokshits
Publikováno v:
Polyhedron. 88:125-137
Redox-active Ag(I) complexes of phenolic ligands have been synthesized using 4,6-di- tert -butyl-2,3-dihydroxybenzaldehyde isonicotinoyl hydrazone (L I ) and 4,6-di- tert -butyl-2,3-dihydroxybenzaldehyde thiosemicarbazone (L II ). These novel compoun
Akademický článek
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Autor:
T.V. Koval’chuk, Srećko R. Trifunović, N.V. Loginova, Miodrag Jelic, Miorad M. Vasojević, Olgica D. Stefanović, Sava Vasić, Verica V. Jevtić, Ivana D. Radojević, Ljiljana R. Čomić, Dragoslav R. Ilić
Publikováno v:
Journal of Molecular Structure. 1050:133-139
The s-cis -[Cr( S , S- eddv)L]-complexes ( 1 , 2 ) ( S , S -eddv = ( S , S )-ethylenediamine- N , N ′-di-2-(3 - methyl ) butanoato ion; L = oxalate or malonate ion) were prepared. The complexes were purified by ion-exchange chromatography. The geom
Autor:
Anna T. Gres, R.A. Zheldakova, Y. V. Faletrov, I.I. Azarko, G. I. Polozov, I.S. Strakha, N.V. Loginova, N.P. Osipovich, T.V. Koval’chuk
Publikováno v:
Polyhedron. 57:39-46
Redox-active copper(II) complexes of sterically hindered phenolic ligands have been synthesized using 5-tert-butyl-3-(pyrrolidinomethyl)-1,2-dihydroxybenzene (HLI), 5-tert-butyl-3-(piperidinomethyl)-1,2-dihydroxybenzene (HLII), 5-tert-butyl-3-(azepan
Autor:
Y. V. Faletrov, Yury S. Halauko, Anna T. Gres, G. I. Polozov, I.I. Azarko, R.A. Zheldakova, N.P. Osipovich, N.V. Loginova, T.V. Koval’chuk, Anton Halauko, A.A. Chernyavskaya
Publikováno v:
Mini-Reviews in Organic Chemistry. 10:227-240
Ag(I) complexes formed by polydentate phenolic derivatives of thioglycolic and thiopropionic acids with Ag(I) ions could be a promising field of search for potential chemotherapeutic agents. Convenient synthetic methods to prepare these ligands have
Autor:
G. I. Polozov, N.V. Loginova, I.I. Azarko, Anna T. Gres, A.S. Halauko, R.A. Zheldakova, Y. V. Faletrov, T.V. Koval’chuk, N.P. Osipovich, Oleg I. Shadyro, Vladimir M. Shkumatov, Yury S. Halauko
Publikováno v:
Polyhedron. 30:2581-2591
The synthesis and physico-chemical characterization of Fe(II) and Mn(II) complexes of 2-[4,6-di(tert-butyl)-2,3-dihydroxyphenylsulfanyl]acetic acid (HLI) and 2-[4,6-di(tert-butyl)-2,3-dihydroxyphenylsulfinyl]acetic acid (HLII) were carried out. The i
Autor:
G. I. Polozov, A.A. Chernyavskaya, N.P. Osipovich, N.V. Loginova, T.V. Koval’chuk, Oleg I. Shadyro, Y. V. Faletrov, Vladimir M. Shkumatov, I.I. Azarko, Anna T. Gres, R.A. Zheldakova
Publikováno v:
Polyhedron. 29:1646-1652
The synthesis and physico-chemical characterization of Fe(II) and Mn(II) complexes of 4,6-di- tert -butyl-3[(2-hydroxyethyl)sulphanyl]-1,2-dihydroxybenzene (HL I ) and 2-amino-4,6-di- tert -butylphenol (HL II ) were carried out. Antibacterial activit
Autor:
Oleg I. Shadyro, N.V. Loginova, N.P. Osipovich, V. L. Sorokin, G. I. Polozov, T.V. Koval’chuk, A.A. Chernyavskaya
Publikováno v:
Polyhedron. 27:985-991
Co(II) complexes with 4,6-di( tert -butyl)-2-aminophenol (HL I ) and 2-anilino-4,6-di( tert -butyl)phenol (HL II ) have been synthesized and characterized by means of physico-chemical methods. The compounds HL I and HL II coordinate in their singly d