Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Alexsei Ya. Tikhonov"'
Autor:
Nikita A. Shekhovtsov, Elena B. Nikolaenkova, Alexey A. Ryadun, Denis G. Samsonenko, Alexsei Ya. Tikhonov, Mark B. Bushuev
Publikováno v:
Molecules, Vol 28, Iss 4, p 1793 (2023)
1H-Imidazole derivatives establish one of the iconic classes of ESIPT-capable compounds (ESIPT = excited state intramolecular proton transfer). This work presents the synthesis of 1-hydroxy-4-(2-hydroxyphenyl)-5-methyl-2-(pyridin-2-yl)-1H-imidazole (
Externí odkaz:
https://doaj.org/article/c2f4203456584a8c8144c4d7639290ce
Autor:
Ludmila G. Lavrenova, Olga G. Shakirova, Evgeniy V. Korotaev, Svetlana V. Trubina, Alexsei Ya. Tikhonov, Irina A. Os’kina, Sergey A. Petrov, Konstantin Yu. Zhizhin, Nikolay T. Kuznetsov
Publikováno v:
Molecules, Vol 27, Iss 16, p 5093 (2022)
Novel iron(II) coordination compounds containing a ligand 2,6-bis(1H-imidazol-2-yl)pyridine (L), having such a composition as [FeL2]SO4·0.5H2O, [FeL2]Br2·H2O, [FeL2](ReO4)2, [FeL2]B10H10∙H2O, [FeL2]B12H12∙1.5H2O had been synthesized and studied
Externí odkaz:
https://doaj.org/article/d8b429f86d9146769b94f1a1a3d8b919
Autor:
Lavrenova, Olga G. Shakirova, Irina A. Os’kina, Evgeniy V. Korotaev, Sergey A. Petrov, Natalia V. Kuratieva, Alexsei Ya. Tikhonov, Lyudmila G.
Publikováno v:
International Journal of Molecular Sciences; Volume 24; Issue 12; Pages: 9853
New iron(II) complexes with 2,6-bis(1H-imidazol-2-yl)-4-methoxypyridine (L) of the composition [FeL2]An∙mH2O (A = SO42−, n = 1, m = 2 (I); A = ReO4−, n = 2, m = 1 (II); A = Br−, n = 2, m = 2 (III)) have been synthesized and investigated. To d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::2f9e1600c5668c4b0d59f53cd629247c
Publikováno v:
Molecules, Vol 26, Iss 10, p 3050 (2021)
In recent decades, bicyclic nitroxyl radicals have caught chemists’ attention as selective catalysts for the oxidation of alcohols and amines and as additives and mediators in directed C-H oxidative transformations. In this regard, the design and d
Externí odkaz:
https://doaj.org/article/3e98be63ebbc45e3ace40bf0518112b6
Autor:
Nikita A. Shekhovtsov, Alexey A. Ryadun, Victor F. Plyusnin, Elena B. Nikolaenkova, Alexsei Ya. Tikhonov, Mark B. Bushuev
Publikováno v:
New Journal of Chemistry. 46:22804-22817
In MeCN solution, a 2-aroyl-1-hydroxy-1H-imidazole-based ESIPT emitter exists in a series of forms and shows rather rare excitation wavelength-dependent emission.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08bcd388820ed00344f6ff953cdcda95
https://doi.org/10.1039/d2nj04463c
https://doi.org/10.1039/d2nj04463c
Autor:
Nikita A. Shekhovtsov, Elena B. Nikolaenkova, Alexey S. Berezin, Victor F. Plyusnin, Katerina A. Vinogradova, Dmitry Yu. Naumov, Natalia V. Pervukhina, Alexsei Ya. Tikhonov, Mark B. Bushuev
Publikováno v:
Dalton Transactions. 51:15166-15188
Tuning ESIPT by expanding π-conjugation of a proton-accepting moiety: the quinolin-2-yl group facilitates the delocalization of electrical charge and promotes the ESIPT reaction.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73f71620cdce80e77566fcdff9735468
https://doi.org/10.1039/d2dt02460h
https://doi.org/10.1039/d2dt02460h
Autor:
Nikita A. Shekhovtsov, Katerina A. Vinogradova, Sofia N. Vorobyova, Alexey S. Berezin, Victor F. Plyusnin, Dmitry Yu. Naumov, Natalia V. Pervukhina, Elena B. Nikolaenkova, Alexsei Ya. Tikhonov, Mark B. Bushuev
Publikováno v:
Dalton Transactions. 51:9818-9835
ESIPT-capable zinc(ii) complexes with an ESIPT-ligand featuring spatially separated metal binding and ESIPT sites have been synthesized. The complexes undergo phototautomerization and show excitation wavelength dependent fluorescence.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bc8dfea3d8c3aca9971d5feb7ddc4c7
https://doi.org/10.1039/d2dt01232d
https://doi.org/10.1039/d2dt01232d
Autor:
Nikita Shekhovtsov, Elena B Nikolaenkova, Sofia Vorob'eva, Victor F. Plyusnin, Katerina A. Vinogradova, Taisiya Sukhikh, Alexsei Ya. Tikhonov, Mark B Bushuev
Publikováno v:
Dalton Transactions.
Rational design of ESIPT-capable metal complexes (ESIPT – Excited State Intramolecular Proton Transfer) requires two sites, namely an ESIPT site and a metal binding site, to be spatially separated into...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::480089c419a3ef337993b7c0a6712e8e
https://doi.org/10.1039/d3dt01190a
https://doi.org/10.1039/d3dt01190a
Publikováno v:
Chemistry of Heterocyclic Compounds. 56:208-212
The reaction of α-hydroxyamino oximes with ethyl acetoacetate and ethyl α-methylacetoacetate yields 2-[2-(hydroxyimino)alkyl]-1,2-oxazol-5(2H)-ones. In the reaction of alkylaromatic α-hydroxyamino oximes with ethyl acetoacetate, the intermediate i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56a20e3ca40ae9a9c46ecfcd12aec846
https://doi.org/10.1007/s10593-020-02645-0
https://doi.org/10.1007/s10593-020-02645-0
Autor:
Elena B. Nikolaenkova, Natalia V. Pervukhina, Katerina A. Vinogradova, Mark B. Bushuev, Alexey S. Berezin, Victor F. Plyusnin, Dmitry Yu. Naumov, Nikita A. Shekhovtsov, Alexsei Ya. Tikhonov
Publikováno v:
ChemPlusChem. 86(10)
The ability of 1-hydroxy-1H-imidazoles to exist in the form of two prototropic tautomers, the N-hydroxy and the N-oxide forms, can be utilized in the design of new types of ESIPT-fluorophores (ESIPT=excited state intramolecular proton transfer). Here
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7d5e8f95be43a77418495b5f5dc02a9
https://pubmed.ncbi.nlm.nih.gov/34648233
https://pubmed.ncbi.nlm.nih.gov/34648233