Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Iryna V. Omelchenko"'
Autor:
Sergey V. Shekhovtsov, Iryna V. Omelchenko, Svitlana V. Shishkina, Andrey O. Doroshenko, Kateryna O. Vus, Hanna S. Vlasenko, Nikolay O. Mchedlov-Petrossyan
Publikováno v:
Colorants, Vol 2, Iss 3, Pp 500-517 (2023)
Contrary to the 4′- and 5′-nitro- and aminofluoresceins, the corresponding 3′-derivatives are practically unexplored. In this paper, we describe the synthesis and spectral properties of 3′-nitrofluorescein and 3′-aminofluorescein, as well a
Externí odkaz:
https://doaj.org/article/ef27d96cff9b4e559d1b9405726d41d3
Autor:
Inna S. Safyanova, Oksana A. Bondar, Anna V. Pavlishchuk, Iryna V. Omelchenko, Turganbay S. Iskenderov, Valentina A. Kalibabchuk
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 3, Pp 328-331 (2020)
The title compound represents the thallium(I) salt of a substituted 1,2,5-oxadiazole, [Tl(C3H3N4O3)]n, with amino- and hydroxamate groups in the 4- and 3- positions of the oxadiazole ring, respectively. In the crystal, the deprotonated hydroxamate gr
Externí odkaz:
https://doaj.org/article/421d99f50ad848ea80fa3d7017344342
Publikováno v:
Molecules, Vol 26, Iss 10, p 2889 (2021)
Despite significant progress in conformational analysis of cyclic molecules, the number of computational studies is still limited while most of that available in the literature data have been obtained long time ago with outdated methods. In present r
Externí odkaz:
https://doaj.org/article/01989576a3734da980193c628877b72a
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 5, Pp 795-797 (2017)
The title compound, C10H8N2O2·H2O, consists of an N-hydroxyquinoline-2-carboxamide molecule in the keto tautomeric form and a water molecule connected through an O—H...O hydrogen bond. The N-hydroxyquinoline-2-carboxamide molecule has a nearly pla
Externí odkaz:
https://doaj.org/article/e53ca0b7a7674ee9a91f4a626e2f27bd
Autor:
Nikolay O. Mchedlov-Petrossyan, Sergey V. Shekhovtsov, Elena G. Moskaeva, Iryna V. Omelchenko, Alexander D. Roshal, Andrey O. Doroshenko
Publikováno v:
Journal of Molecular Liquids. 367:120541
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e383724041480a027aafa67c07f699a7
https://doi.org/10.1016/j.molliq.2022.120541
https://doi.org/10.1016/j.molliq.2022.120541
Autor:
Inna S, Safyanova, Oksana A, Bondar, Anna V, Pavlishchuk, Iryna V, Omelchenko, Turganbay S, Iskenderov, Valentina A, Kalibabchuk
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications
The thallium(I) atom in the polymeric title compound is bonded to four O atoms, with the lone pair electrons stereochemically active.
The title compound represents the thallium(I) salt of a substituted 1,2,5-oxadiazole, [Tl(C3H3N4O3)]n, with a
The title compound represents the thallium(I) salt of a substituted 1,2,5-oxadiazole, [Tl(C3H3N4O3)]n, with a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::8135ea88db744007c42be6ad902b914c
https://pubmed.ncbi.nlm.nih.gov/32148870
https://pubmed.ncbi.nlm.nih.gov/32148870
Autor:
Nikolay O. Mchedlov-Petrossyan, Sergey V. Shekhovtsov, Tatyana A. Cheipesh, Elena V. Ushakova, Alexander D. Roshal, Iryna V. Omelchenko
Publikováno v:
The journal of physical chemistry. A. 123(41)
Within the course of this spectroscopic research, we revealed novel features of the protolytic behavior, which extend the knowledge of the chemistry of xanthene dyes and rationalize the utilization of these compounds. In addition to the well-known ta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c05c82aac48bdb8e6c44295388f30a9
https://pubmed.ncbi.nlm.nih.gov/31539249
https://pubmed.ncbi.nlm.nih.gov/31539249
Autor:
Alexander D. Roshal, Elena G. Moskaeva, Iryna V. Omelchenko, Nikolay O. Mchedlov-Petrossyan, Sergey V. Shekhovtsov, Tatyana A. Cheipesh
Publikováno v:
The journal of physical chemistry. A. 123(41)
In this article, we examined the fluorescent properties of 4'- and 5'-aminofluorescein, unsubstituted fluorescein, and its 4'-nitro derivative in a set of solvent systems. Fluorescence lifetimes, quantum yields, time-resolved fluorescence spectra, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19e4391ff9d33018073a8ff3c9ceb9c6
https://pubmed.ncbi.nlm.nih.gov/31539254
https://pubmed.ncbi.nlm.nih.gov/31539254
Publikováno v:
The journal of physical chemistry. A. 123(11)
Aromaticity and structural features of the isolated symm-triaminotrinitrobenzene (TATB) were examined using the nonempirical ab initio quantum chemical method and molecular dynamics at the Car-Parrinello level. Different criteria of the aromaticity w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e82b8d4c24137dcc4aec5b609f407eeb
https://pubmed.ncbi.nlm.nih.gov/30811201
https://pubmed.ncbi.nlm.nih.gov/30811201
Autor:
Oleh, Stetsiuk, Oksana V, Nesterova, Vladimir N, Kokozay, Kostiantyn V, Domasevitch, Iryna V, Omelchenko, Oleg V, Shishkin, Beata, Vranovičová, Roman, Boča, Armando J L, Pombeiro, Svitlana R, Petrusenko
Publikováno v:
Dalton transactions (Cambridge, England : 2003). 46(23)
The "direct synthesis" approach, namely one-pot reaction of metal powders and ammonium salt with a methanol solution of a polydentate Schiff base (H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::5ee094c92259fac15fb261d77f196027
https://pubmed.ncbi.nlm.nih.gov/28561848
https://pubmed.ncbi.nlm.nih.gov/28561848