Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Tatyana M. Valova"'
Autor:
Natalia L. Zaichenko, Tatyana M. Valova, Olga V. Venidiktova, Alexander V. Lyubimov, Andrey I. Shienok, Liubov S. Koltsova, Anton O. Ayt, Galina V. Lyubimova, Leonid D. Popov, Valery A. Barachevsky
Publikováno v:
Molecules, Vol 26, Iss 22, p 6894 (2021)
Spectral-luminescence properties of a hybrid compound containing a coumarin-type spiropyran and an azomethinocoumarin fragment in toluene-acetonitrile solution in the presence of Li+, Ca2+, Zn2+ and Mg2+ ions are reported. Two excited state proton tr
Externí odkaz:
https://doaj.org/article/de780421141a43718b0d2c978f218011
Publikováno v:
Russian Journal of Physical Chemistry B. 15:591-598
A spectral–kinetic study of the processes of complexation of molecules of photochromic spirooxazines containing electron–donor and electron-withdrawing substituents in the oxazine fragment with magnesium and terbium cations is carried out. The de
Autor:
V. A. Barachevsky, Tatyana M. Valova
Publikováno v:
Russian Journal of Applied Chemistry. 94:289-293
A spectral-kinetic investigation was carried out to study the fluorescent properties of complexes of molecules of photochromic nitro-substituted spiropyran with metal cations differing in electron affinity in polymer matrices of various nature. It is
Publikováno v:
Polymer Science, Series B. 63:63-67
New photochromic compositions are obtained on the basis of hyperbranched oligoglycerol covalently bound to a methyl methacrylate–maleic anhydride copolymer. The irradiation of such compositions with UV light leads to reversible photoinduced transfo
Autor:
Vitaly S. Mityanov, Dmitriy A. Cheptsov, Valerii F. Traven, Valery A. Barachevsky, Valeriya G. Melekhina, Mikhail M. Krayushkin, Tatyana M. Valova, O. V. Venidiktova
Publikováno v:
Mendeleev Communications. 30:328-331
Irreversible photocyclization of 4-(het)aryl-5-(β-hydroxyvinyl) imidazolone derivatives into fused polycyclic structures proceeds with elimination of water molecule. A relationship between quantum yields, spectral characteristics and the structures
Autor:
A. S. Burlov, Yu. P. Tupolova, Leonid D. Popov, O. I. Venidiktova, Tatyana M. Valova, V. A. Barachevskii, Igor N. Shcherbakov, S. A. Borodkin, O. I. Askalepova, Valery G. Vlasenko
Publikováno v:
Russian Journal of General Chemistry. 89:2258-2263
A new azomethine based on N-aminofluorescein and ortho-tosylaminobenzaldehyde has been synthesized. Structure and properties of the obtained compound have been studied by means of IR, 1H NMR, and electron absorption spectroscopy as well as potentiome
Autor:
G. T. Vasilyuk, Artur A. Khuzin, O. V. Venidiktova, Roman B. Vasiliev, S. A. Maskevich, Vitali I. Stsiapura, Airat R. Tuktarov, Tatyana M. Valova, Pavel V. Karpach, Valery A. Barachevsky, A. M. Gorelik
Publikováno v:
Photochemical & Photobiological Sciences. 18:2661-2665
A spectroscopic study of photochromic systems containing two-dimensional CdSe nanoparticles (colloidal quantum wells) and photochromic compounds of the thermally relaxing chromene and thermally irreversible diarylethene classes in solutions was carri
Publikováno v:
Russian Journal of General Chemistry. 89:1783-1786
A spectral-kinetic study of photochromic functionalized nitro-substituted indoline spiropyrans in water-acetonitrile mixtures has allowed to observe for the first time the effect of negative photochromism due to the self-assembly of photochromic mole
Autor:
O. V. Venidiktova, Leonid D. Popov, A. O. Ayt, A. I. Shienok, L. S. Kol’tsova, Alexander V. Lyubimov, G. V. Lyubimova, Tatyana M. Valova, N. L. Zaichenko, Valery A. Barachevsky
Publikováno v:
Molecules, Vol 26, Iss 6894, p 6894 (2021)
Molecules
Volume 26
Issue 22
Molecules
Volume 26
Issue 22
Spectral-luminescence properties of a hybrid compound containing a coumarin-type spiropyran and an azomethinocoumarin fragment in toluene-acetonitrile solution in the presence of Li+, Ca2+, Zn2+ and Mg2+ ions are reported. Two excited state proton tr
Autor:
Konstantin A. Lyssenko, Valeriya G. Melekhina, Artem N. Fakhrutdinov, Vitaly S. Mityanov, A. O. Ayt, Igor Martynov, Valery A. Barachevsky, M. M. Krayushkin, Tatyana M. Valova
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 369:34-43
It was shown that UV irradiation of imidazoline-bridged dihetarylethenes affords fused products exhibiting fluorescence. The starting compounds were prepared by three-component condensation of N,N’-dimethylurea with arylglyoxals and enols. A method