Crown-containing styryl dyes .14. Synthesis, luminescence, and complexation of the trans-isomers of chromogenic 15-crown-5-ethersстатья
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Аннотация:Novel crown ether styryl dyes containing heterocyclic residues with various substituents were synthesized. The fluorescence and absorption spectra of the trans-isomers of crown ether styryl dyes and their complexes with metal cations were studied. Based on spectral data, the influence of the nature of a heterocyclic residue, the crown ether fragment, and the temperature on the fluorescence of dyes and their complexes with metal cations was elucidated.