vestichИзвестия Национальной академии наук Беларуси. Серия химических наукProceedings of the National Academy of Sciences of Belarus, Chemical Series1561-83312524-2342The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"vestich-241Research ArticleОРГАНИЧЕСКАЯ ХИМИЯORGANIC CHEMISTRYНОВЫЕ СОЛЬВАТОХРОМНЫЕ КРАСИТЕЛИ РЯДА ДИБЕНЗОТИОФЕН-5,5-ДИОНАNEW DERIVATIVES OF DIBENZOTHOPHENE-5,5-DIONE AS SOLVATOCHROMIC DYESПетушокВ. Г.PetushokV. G.

науч. сотрудник

Scientific Researchen

vitalqqqq@tut.byКалечицГ. В.KalechytsG. V.

канд. хим. наук, науч. сотрудник

Ph. D. (Chemistry), Scientific Researchen

ОльховикВ. К.OlkhovicV. K.

канд. хим. наук, науч. сотрудник, зав. лаб.

Ph.D. (Chemistry), Head of laboratory

slavol@ichnm.basnet.byМуравскийА. А.MuravskyA. A.

канд. хим. наук, науч. сотрудник, зав. лаб.

Ph.D. (Chemistr), Head of laboratory

alexander.muravsky@ichnm.basnet.byРушноваИ. И.RushnovaI. I.

науч. сотрудник

Scientific Researchen

Институт химии новых материалов НАН БеларусиInstitute of Chemistry of New Materials of the National Academy of Sciences of Belarus201709032017017381Copyright © Петушок В.Г., Калечиц Г.В., Ольховик В.К., Муравский А.А., Рушнова И.И., 20172017Петушок В.Г., Калечиц Г.В., Ольховик В.К., Муравский А.А., Рушнова И.И.Petushok V.G., Kalechyts G.V., Olkhovic V.K., Muravsky A.A., Rushnova I.I.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestichem.belnauka.by/jour/article/view/241

Описан синтез и сольватохромные свойства новых красителей ряда производных дибензотиофен-5,5-диона, замещенных в положениях 1,3,4,7 с внутримолекулярным переносом заряда. Исследованы их спектры поглощения и испускания в зависимости от значения полярности растворителей. Изучение зависимости спектральных свойстврастворов 1-гидрокси-, 1-амино-, 1-метокси-4-аминопроизводных эфиров 5,5-диоксодибензотиофен-3,7-дикарбоновой кислоты показало у этих соединений существенное различие распределения зарядов в основном и возбужденном состояниях. Синтезированные соединения проявляли ярко выраженный положительный сольватохромный эффект. Высокая спектральная чувствительность 1-гидрокси-5,5-диоксо-5H-дибензо[b,d]тиофен-3,7-дикарбоновой кислоты дибутилового эфира к изменению полярности растворителя может быть использована, например, для определения содержания воды в апротонных растворителях с невысокими (< 40 ккал/моль) значениями ET(30).

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.

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The authors declare that there are no conflicts of interest present.