Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Sergei M. Dolotov"'
Autor:
V. A. Barachevsky, Ivan V. Ivanov, Dmitrii A. Cheptsov, Dmitrii V. Khudyakov, Sergei M. Dolotov, Valerii F. Traven
Publikováno v:
Mendeleev Communications. 31:520-522
Cross section of the two-photon absorption in 7-dialkylamino-3-(3-pyrazolinyl)coumarins in acetone and polymethylmethacrylate films has been found to be dependent on the substrate and medium nature. 7-Dialkylamino-3-[1,5-diaryl(3-pyrazolinyl)]coumari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f56048636b18039136970f566b12cee2
https://doi.org/10.1016/j.mencom.2021.07.028
https://doi.org/10.1016/j.mencom.2021.07.028
Autor:
Zarina Z. Mamirgova, Dmitriy A. Cheptsov, Sergei M. Dolotov, Valerii F. Traven, M. M. Krayushkin, Vyacheslav M. Martynenko, Natalya P. Solovjova, Ivan V. Ivanov
Publikováno v:
Photochemistry and Photobiology. 96:798-804
Photophysical characteristics of new 3-(1-acyl-5-aryl-3-pyrazolinyl)coumarins have been measured. These coumarin derivatives are found to be effective fluorophores and show high values of quantum yields of fluorescence both in nonpolar and in polar s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33b6c10a011d26ec818cf128ddbc7656
https://doi.org/10.1111/php.13211
https://doi.org/10.1111/php.13211
Autor:
El Mostapha Rakib, Dmitrii A. Cheptsov, Nuno M. M. Moura, Ivan V. Ivanov, José A. S. Cavaleiro, Svetlana B. Scachkova, M. Graça P. M. S. Neves, Sergei M. Dolotov, Valerii F. Traven, M. Amparo F. Faustino
Publikováno v:
Macroheterocycles. 12:356-363
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d6eb8b8541189b208ac90e0b66b0e04
https://doi.org/10.6060/mhc191175t
https://doi.org/10.6060/mhc191175t
Publikováno v:
Dyes and Pigments. 158:104-113
We consider new procedures for the photocontrol of fluorescence of laser dyes that can be used in optical information recording systems and sensing technologies. These procedures are based on photooxidation reactions of dihydrohetarenes with the use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9ace05ee70cdb043c1bf749015a63cb
https://doi.org/10.1016/j.dyepig.2018.05.023
https://doi.org/10.1016/j.dyepig.2018.05.023
Autor:
T. A. Chibisova, Natalya P. Solovjova, Valery F. Traven, Dmitriy A. Cheptsov, Sergei M. Dolotov, Ivan V. Ivanov, Maria V. Bulanova
Publikováno v:
Photochemistry and Photobiology. 94:659-666
New (1,5-diaryl-3-pyrazolinyl)coumarins have been synthesized. In opposite to (1,5-diaryl-3-pyrazolinyl)-4-hydroxycoumarins these compounds are not able to keto-enol tautomeric transformations with changes of the solvent. (1,5-Diaryl-3-pyrazolinyl)co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7723615c9316ccf3cebde9b069d64c9e
https://doi.org/10.1111/php.12918
https://doi.org/10.1111/php.12918
Autor:
V. F. Traven, Ivan V. Ivanov, T. A. Chibisova, N.P. Solovjeva, Sergei M. Dolotov, Dmitrii A. Cheptsov, G.V. Vershinina
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 351:8-15
(7-Dialkylamino-3-coumarinyl)pyrazolines and their julolidine analog have been synthesized and proved as new effective photogenerators of acidity. Having D-π-linker −A conjugated system of push-pull type these compounds possess intensive absorptio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dce52bfa9a237ca7632cf474ed792407
https://doi.org/10.1016/j.jphotochem.2017.09.072
https://doi.org/10.1016/j.jphotochem.2017.09.072
Autor:
Natalya P. Solovjova, Ilya I. Voronov, Dmitrii A. Cheptsov, Ivan V. Ivanov, T. A. Chibisova, Sergei M. Dolotov, Valerii F. Traven
Publikováno v:
Dyes and Pigments. 146:159-168
The dihydro form of the laser dye Coumarin 6 and its acylated derivatives undergo photoinduced transformations with Coumarin 6 formation. The reactions go easily both in organic solvents and in polymer films with a high increase of fluorescence. Irre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d278198e92cf61a401974513d096396e
https://doi.org/10.1016/j.dyepig.2017.07.001
https://doi.org/10.1016/j.dyepig.2017.07.001
Autor:
Natalya P. Solovjova, Michael G. Medvedev, Roman A. Novikov, Natalya A. Pozharskaya, Sergei M. Dolotov, Valerii F. Traven, Ivan V. Ivanov, Vladimir V. Chernyshev
Publikováno v:
Dyes and Pigments. 136:612-618
New aryl(hetaryl)pyrazolines fitted for fluorescence activation of Rhodamine laser dyes have been obtained via one-pot tandem Michael addition of two arylhydrazine molecules with 2-(4′-R-cinnamyliden)-2Н-furo[3,2-≿]coumarin-3-ones. These aryl(he
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5859610ac697a7ec91e3acb5ccc9dca8
https://doi.org/10.1016/j.dyepig.2016.09.018
https://doi.org/10.1016/j.dyepig.2016.09.018
Publikováno v:
Russian Chemical Bulletin. 65:735-740
Aryl(hetaryl)pyrazolines are effective photogenerators of acid providing an irreversible photochemical activation of fluorescence of rhodamine group dyes. The effect of solvent on two consecutive reactions, photodehydrogenation of pyrazoline and lact
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b8e1910d696528241831c60355e1c36
https://doi.org/10.1007/s11172-016-1365-4
https://doi.org/10.1007/s11172-016-1365-4
Autor:
Zarina Z. Mamirgova, Valery F. Traven, Dmitriy A. Cheptsov, Sergei M. Dolotov, Ivan V. Ivanov, Artem N. Semakin
Publikováno v:
Photochemistry and photobiology. 95(4)
Photooxidation of aryl(hetaryl)pyrazolines in the presence of benzoquinone has been studied in organic solvents. This reaction occurs at high rate to provide the corresponding pyrazole in a good yield. The effects of the solvent, pyrazoline structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ade0a96f2c913bd88e0d9c255c4821d
https://pubmed.ncbi.nlm.nih.gov/30613996
https://pubmed.ncbi.nlm.nih.gov/30613996