Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Orest Fedyshyn"'
Autor:
Oleksandr Tymoshuk, Lesia Oleksiv, Orest Fedyshyn, Petro Rydchuk, Vasyl Matiychuk, Taras Chaban
Publikováno v:
Acta Chimica Slovenica, Vol 67, Iss 3, Pp 970-976 (2020)
The paper presents a new azolidone derivative – 5-[2-(4-hydroxyphenyl)hydrazineylidene]-4-iminothiazolidin-2-one (HPIT) studies and its interaction results with iridium(IV) ions. The Ir(IV) with this reagent in the pH = 5.0 without heating forms a
Externí odkaz:
https://doaj.org/article/797d7e0b2e714970a5383acecc443483
Autor:
T. I. Chaban, Orest Fedyshyn, Oleksandr Tymoshuk, Vasyl S. Matiychuk, Lesia Oleksiv, Petro Rydchuk
Publikováno v:
Acta Chimica Slovenica, Vol 67, Iss 3, Pp 970-976 (2020)
The paper presents a new azolidone derivative – 5-[2-(4-hydroxyphenyl)hydrazineylidene]-4-iminothiazolidin-2-one (HPIT) studies and its interaction results with iridium(IV) ions. The Ir(IV) with this reagent in the pH = 5.0 without heating forms a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23f629c8c203f895f6e0fb17fa28cc81
https://journals.matheo.si/index.php/ACSi/article/view/6046
https://journals.matheo.si/index.php/ACSi/article/view/6046
Publikováno v:
Materials Science. 55:455-459
We study the interaction of 4-methoxy-1-(5-benzylthiazol-2-yl)azo-naphthalene-2-ol with palladium (II) ions. The conditions required for the formation of a complex and for getting the optimal fractions of its components are established. We propose a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91893d0dee02f07fa112ff0203ebacc7
https://doi.org/10.1007/s11003-019-00325-9
https://doi.org/10.1007/s11003-019-00325-9
Publikováno v:
Journal of Chemistry, Vol 2020 (2020)
The simple, rapid spectrophotometric method for palladium(II) ions determination using a new analytical reagent is described. The interaction of Pd(II) ions with a reagent, of the class of azolidones, 4-(N′-(4-imino-2-oxo-thiazolidine-5-ylidene)-hy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0de3cd86372cd4166bc85ce9feca78a
https://doaj.org/article/7cbf8669ff1448d1b07a194f9f9d6164
https://doaj.org/article/7cbf8669ff1448d1b07a194f9f9d6164
Autor:
Viera Vojteková, Yaroslav Bazeľ, Maksym Fizer, Vasyl Sidey, Katarína Reiffová, Orest Fedyshyn, Oleksandr Tymoshuk, Yurii Ostapiuk
Publikováno v:
Journal of Molecular Structure. 1246:131150
A new method for the determination of palladium has been developed based on the dispersive liquid–liquid microextraction preconcentration with UV-VIS spectrometry detection. In the proposed approach, 1-[(5-(3-nitrobenzyl)-1,3-thiazol-2-yl)diazenyl]
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::367e165b1f4745f548a8673a0924fc18
https://doi.org/10.1016/j.molstruc.2021.131150
https://doi.org/10.1016/j.molstruc.2021.131150
Autor:
Ján Imrich, Yaroslav Bazeľ, Vasyl Sidey, Mária Vilková, Oksana V. Barabash, Orest Fedyshyn, Yurii Ostapiuk, Oleksandr Tymoshuk, Maksym Fizer
Publikováno v:
Journal of Molecular Liquids. 304:112713
A new thiazolylazo structure, 1-[(5-(3-nitrobenzyl)-1,3-thiazol-2-yl)diazenyl]naphthalen-2-ol (NBnTAN), has been synthesized for the first time. The geometric parameters and properties of the new dye were studied using spectroscopic, DFT and semiempi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70d157e1b1dd1cc97ce6a302e16cc2ef
https://doi.org/10.1016/j.molliq.2020.112713
https://doi.org/10.1016/j.molliq.2020.112713
Publikováno v:
Visnyk of the Lviv University. Series Chemistry. 60:210
4-Azolidones is effective scaffold for drug-like molecules design in modern medicinal chemistry and have become widely pharmaceutical use, due to their low toxicity and wide spectrum of biological effects (show antitumor, anti-inflammatory, antifunga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d47fe998931b7c541eb9ef8828414faa
https://doi.org/10.30970/vch.6001.210
https://doi.org/10.30970/vch.6001.210
Publikováno v:
Visnyk of the Lviv University. Series Chemistry. 59:216
Spectrophotometric and voltammetric methods of the content determination of the new reagent – sodium 4-[2-(3-methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazino]benzoate, which is a representative of azolidones, in an aqueous medium ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::513c8e749f953f30afb3efd6571299da
https://doi.org/10.30970/vch.5901.216
https://doi.org/10.30970/vch.5901.216
Autor:
Ivan Bolesta, Orest Fedyshyn, Shereen Velupillai, Andriy Stelmashchuk, Ivan Karbovnyk, John Collins, Halyna Klym, Ihor Kolych, Svitlana Tymoshuk, Antonina Kolkevych
Publikováno v:
Nanoscale Research Letters
Nanostructured silver films are studied using computational and experimental methods. Surface plasmon resonance-related phenomena are emphasized. Resonant optical absorption band changes due to the influence of noxious gases are investigated. Amplifi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53ff00c50f8f1f76de7ac822187364f1