Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Yu. A. Alekseenko"'
Autor:
B. S. Lukyanov, Yu. S. Alekseenko, E. L. Mukhanov, M. B. Lukyanova, A. V. Metelitsa, K. N. Khalanskij, V. V. Tkachev, O. N. Ryashin
Publikováno v:
International Journal of Photoenergy, Vol 2007 (2007)
Some spiropyrans containing functional substituents in the [2H]-chromene part of the molecule were synthesized and their photochromic properties in solution and solid state were investigated. The presence of the formyl group in the [2H]-chromene frag
Externí odkaz:
https://doaj.org/article/cba7fad325d3416089a9e11e09aafb98
Autor:
M. S. Attia, M. H. Khalil, M. S. A. Abdel-Mottaleb, M. B. Lukyanova, Yu. A. Alekseenko, Boris Lukyanov
Publikováno v:
International Journal of Photoenergy, Vol 2006 (2006)
Complexation of lanthanide ions {Ln(III) ions [Tb(III), Eu(III), or Sm(III)]} with the spiropyran-derived merocyanine obtained in dark and under steady irradiation of indoline spiropyran (1,3,3-trimethyl-5′-hydroxy-6′-formyl-indoline-spiro-2,2′
Externí odkaz:
https://doaj.org/article/435499078a1445f09515b88677fbda38
Publikováno v:
Chemistry of Heterocyclic Compounds. 48:1090-1097
A synthesis is reported for a new photochromic indoline bisspiropyran salt containing a quinoline fragment. This compound exists as a racemic mixture. The photochromic properties of this symmetrical bisspiropyran were studied.
Autor:
A. N. Utenyshev, Vladimir I. Minkin, V. V. Tkachev, K. N. Khalanskii, Boris S. Lukyanov, Sergei M. Aldoshin, Yu. S. Alekseenko, S. O. Bezuglyi
Publikováno v:
Russian Chemical Bulletin. 60:1380-1383
A new photochromic spiropyran of the benzoindoline series containing the quinoline moiety was synthesized. Its structure was determined by IR and 1H NMR spectroscopy. The crystal structure of the new compound was established by X-ray diffraction. The
Autor:
S. O. Bezuglyi, E. L. Mukhanov, Boris S. Lukyanov, Valery V. Tkachev, Igor V. Dorogan, S. M. Aldoshin, Andrey N. Utenyshev, Yu. S. Alekseenko, Vladimir I. Minkin, O. N. Ryashchin
Publikováno v:
Chemistry of Heterocyclic Compounds. 46:279-290
A new unsymmetrical bisspiropyran was synthesized on the basis of 2,4-dihydroxyisophthalic aldehyde with naphthoxazinone and indoline fragments in the structure. The structure of the obtained compound was proved by the data from 1H NMR and IR spectro
Publikováno v:
High Energy Chemistry. 44:220-223
New nonsymmetric bis-spiropyran of the 2,3-dihydro-4-oxonaphtho[2,1-e][1,3]oxazine series was prepared. On the basis of the results of photochemical study and quantum-chemical calculations, it has been shown that both pyran cycles experience opening
Autor:
Vladimir I. Minkin, and S. M. Aldoshin, S. O. Bezuglyi, E. L. Mukhanov, Andrey N. Utenyshev, Boris S. Lukyanov, Valery V. Tkachev, Yu. S. Alekseenko
Publikováno v:
Chemistry of Heterocyclic Compounds. 45:219-227
Spiropyrans of the naphthoxazinone series have been obtained containing various substituents in the [2H]-chromene portion of the molecule. The spatial structure of a spiropyran containing ortho-positioned hydroxyl and formyl groups was established by
Autor:
S. M. Aldoshin, Valery V. Tkachev, Vladimir I. Minkin, Boris S. Lukyanov, Andrey N. Utenyshev, Yu. S. Alekseenko, Maria B. Lukyanova
Publikováno v:
Chemistry of Heterocyclic Compounds. 44:163-169
The structure of an indoline spiropyran of molecular formula C29H33NO2 has been studied by X-ray crystallographic analysis. Structural parameters have been determined for this spiropyran, containing a condensed furan fragment with a tert-butyl group,
Autor:
Yu. S. Alekseenko, K. N. Khalanskiy, Natalia A. Sanina, Boris S. Lukyanov, Valery V. Tkachev, Andrey N. Utenyshev, S. M. Aldoshin, Vladimir I. Minkin
Publikováno v:
Chemistry of Heterocyclic Compounds. 43:576-586
A new photochromic spiropyran of the indoline series, containing a quinoline fragment, has been synthesized. The photochromic properties of the spiropyran and its iodomethylate have been studied. Features of the molecular structure of the compounds w
Autor:
Yu. S. Alekseenko, K. N. Khalanskij, Anatoly V. Metelitsa, Valery V. Tkachev, Maria B. Lukyanova, Boris S. Lukyanov, E. L. Mukhanov, O. N. Ryashin
Publikováno v:
International Journal of Photoenergy, Vol 2007 (2007)
Some spiropyrans containing functional substituents in the [2H]-chromene part of the molecule were synthesized and their photochromic properties in solution and solid state were investigated. The presence of the formyl group in the [2H]-chromene frag