Novel anionic polymethines of the fluorene series | Reports of the National Academy of Sciences of Ukraine

Novel anionic polymethines of the fluorene series

TitleNovel anionic polymethines of the fluorene series
Publication TypeJournal Article
Year of Publication2017
AuthorsKurdyukova, IV, Ishchenko, AA, Mysyk, DD
Abbreviated Key TitleDopov. Nac. akad. nauk Ukr.
Date Published4/2017

The vinylogical series of anionic polymethine dyes based on tris(2,2,3,3,4,4,5,5-octafluoropenthyl)-9H-fluorene-2,4,7-trisulfonate is synthesized. It is shown that, in contrast to similar derivatives of polynitrofluorene, the most intense and long-wavelength electronic transition is the polymethine transition. It is found that the absorption band of this transition for highest vinylogies, in contrast to those of classic polymethines, is preserved very intense and narrow even in highly polar solvents.

Keywordsabsorption spectra, anionic polymethine dyes, electronic transitions, fluorescence spectra, Tris(2;2;3;3;4;4;5;5-octafluoropenthyl)-9H-fluorene-2;4;7-trisulfonate
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