NEW DERIVATIVES OF DIBENZOTHOPHENE-5,5-DIONE AS SOLVATOCHROMIC DYES
Abstract
Synthesis and solvatochromic properties of new dyes, derivatives of dibenzothiophene-5,5-dione with intramolecular charge transfer, substituted in positions 1,3,4,7, has been described. Their absorption and emission spectra depending on solvents polarity have been investigated. Compounds synthesized showed a pronounced positive solvatochromic effect. High spectral sensitivity of 1-hydroxy-5,5-dioxo-5H-dibenzo[b,d]thiophene-3,7-dicarboxylic acid dibutyl ester to changes in solvent polarity can be used, for example, to determine the water content in the aprotic solvents with low (<40 kcal / mol) ET(30)
values.
values.
About the Authors
V. G. Petushok
Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus
Russian Federation
Scientific Researchen
Russian Federation
Scientific Researchen
G. V. Kalechyts
Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus
Russian Federation
Ph. D. (Chemistry), Scientific Researchen
Russian Federation
Ph. D. (Chemistry), Scientific Researchen
V. K. Olkhovic
Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus
Russian Federation
Ph.D. (Chemistry), Head of laboratory
Russian Federation
Ph.D. (Chemistry), Head of laboratory
A. A. Muravsky
Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus
Russian Federation
Ph.D. (Chemistr), Head of laboratory
Russian Federation
Ph.D. (Chemistr), Head of laboratory
I. I. Rushnova
Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus
Russian Federation
Scientific Researchen
Russian Federation
Scientific Researchen
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