Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Igor V. Levkov"'
Autor:
Irina S. Konovalova, Zoia Voitenko, Amine El Haimeur, Tetyana Yegorova, H. Bakkali, Igor V. Levkov, Andrii I. Kysil, Svitlana V. Shishkina, Sergey V. Shilin, Eduardo Blanco
Publikováno v:
Molecular Crystals and Liquid Crystals. 718:16-24
This work is dedicated to the study of structural, morphological, and optical properties of stable isoindole derivative, which keeps o-quinoid structure. Corresponding properties were studied using...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f381c95f0ddda9b3ea32aa30fee199f
https://doi.org/10.1080/15421406.2020.1861517
https://doi.org/10.1080/15421406.2020.1861517
Autor:
Andrii I. Kysil, Igor V. Levkov, Svitlana V. Shishkina, Zoia Voitenko, Amine El Haimeur, Irina S. Konovalova, Oleksandra Bugera, Eduardo Blanco, H. Bakkali, Tetyana Yegorova
Publikováno v:
Molecular Crystals and Liquid Crystals. 716:94-102
In this work, we have studied the dibenzofluorene derivative belonging to the KuQuinones family. We have investigated the structural, morphological and optical properties of this derivative, which is part of the new sub-class of dibenzofluorenes, due
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09435a9f8b9b2c6651ec55491f2a21b6
https://doi.org/10.1080/15421406.2020.1859699
https://doi.org/10.1080/15421406.2020.1859699
Publikováno v:
French-Ukrainian Journal of Chemistry. 7:111-119
Through N-acylation of a- or b-amino acid units by 2-(3-oxo-2,3-dihydro-1H-inden-5-yloxy)acetic acid using the method of N-hydroxysuccinimide esters new dipeptide indan-1-one derivatives were obtained. In general, the direct interaction of the acetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bd98058aec41556091f7bb81cef1e41
https://doi.org/10.17721/fujcv7i2p111-119
https://doi.org/10.17721/fujcv7i2p111-119
Publikováno v:
French-Ukrainian Journal of Chemistry. 6:32-37
Condensation of bifunctional 1-aminoisoindole with bis-electrophilic methyl 4-chloro-3-oxobutanoate undergoes regioselectively to afford 2-(chloromethyl)-2-hydroxy-2,6-dihydropyrimido[2,1-a]isoindol-4(3H)-one. The structure of the reaction product
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfd24b67888544b3b0a1c66677abf506
https://doi.org/10.17721/fujcv6i2p32-37
https://doi.org/10.17721/fujcv6i2p32-37
Autor:
Rostislav P. Linnik, Igor V. Levkov, Zoia Voitenko, Olga A. Zaporozhets, A. Chemnyi, O. Radchenko
Publikováno v:
Methods and Objects of Chemical Analysis. :183-191
4-Amino-9-(2,5-dioxo-pyrrolidin-1-phenyl-3-yl)-1-phenyl-benzo[f]isoindole-1,3-dione (1) and 4-amino-9-(2,5- dioxo-1-(4-methylphenyl)-pyrrolidin-3-yl)-1-(4-methylphenyl)-benzo[f]isoindole-1,3-dione (2) were studied as fluorescent indicators for water
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b4aa2dbe2349983acf14144cccaf2b9
https://doi.org/10.17721/moca.2018.183-191
https://doi.org/10.17721/moca.2018.183-191
Publikováno v:
Bulletin of Taras Shevchenko National University of Kyiv. Chemistry. :57-60
General principles of the electrocrystallization technique in application to organic molecules are shown, as some historical background. Based on this, we were able to rationalize main variables in the experiment which are needed in order to get crys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3edd000371cedb697df511c0b8f14b14
https://doi.org/10.17721/1728-2209.2018.1(55).14
https://doi.org/10.17721/1728-2209.2018.1(55).14
Publikováno v:
French-Ukrainian Journal of Chemistry. 6:27-31
In our previous researches we have shown, that 1-aminoisoindole, which exists predominantly in isoindoline tautomeric form, can undergo [4+2]-cycloaddition reactions with maleimides according to the Curtin-Hammet principle. We continued to study this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bb869ec41d9ec6fa4f4967fdef7c156
https://doi.org/10.17721/fujcv6i2p27-31
https://doi.org/10.17721/fujcv6i2p27-31
Publikováno v:
French-Ukrainian Journal of Chemistry. 5:95-102
The electronic structure and absorption spectra of cyanine dyes – tetrazoloisoindole derivatives and triazoloisoindole were calculated. It was shown that these dyes, in terms of their electronic structure, are trimethine cyanine, although formally
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2310a904a2dc9ebdd96b371e0736bb0e
https://doi.org/10.17721/fujcv5i2p95-102
https://doi.org/10.17721/fujcv5i2p95-102
Autor:
Andrii I. Kysil, Tatyana V. Yegorova, Sergey V. Shilin, Angelina V. Biitseva, Zoia Voitenko, Nathalie Saffon-Merceron, Igor V. Levkov
Publikováno v:
Tetrahedron Letters. 67:152866
The synthesis of 2-(methoxymethyl)isoindolin-1-imine derivatives via an unusual Delepine reaction is reported. The substrate substituents’ influence on the reaction course was studied, and a possible reaction mechanism proposed. The structure of 2-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07c56610f0dcceaae27027a0f1c0712e
https://doi.org/10.1016/j.tetlet.2021.152866
https://doi.org/10.1016/j.tetlet.2021.152866
Autor:
Viktoria V. Dyakonenko, Andrii I. Kysil, Tatyana V. Yegorova, Zoia Voitenko, Svitlana V. Shishkina, Romania V. Karbovska, Igor V. Levkov
Publikováno v:
Journal of Molecular Structure. 1203:127469
For the first time, the tetrazole ring-opening has been observed for tetrazoloisoindoles as an example of azido-tetrazole isomerism. This process was studied in details by HPLC; conditions were found which are optimal for the azido-tetrazole equilibr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6e1d1340825d9820f79640d579556d9
https://doi.org/10.1016/j.molstruc.2019.127469
https://doi.org/10.1016/j.molstruc.2019.127469