Spectral properties of tolan and its supramolecular complexes in solution and silicate hydrogel

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Abstract

The complexation process of tolane and α-cyclodextrin in water, aqueous-ethanol solution and silicate hydrogel based on tetrakis(2 hydroxyethyl)orthosilicate was studied. The complex formation in solutions were confirmed by electron and 1H NMR spectroscopy, and the stability constant of the complex was determined using spectrofluorimetric titration (lgK1:1 = 1.5). The preservation of the inclusion complex during the preparation of the gel was confirmed by electron spectroscopy.

About the authors

G. O. Novitskii

Photochemistry Center of the Russian Academy of Sciences, Federal Research Center “Crystallography and Photonics” – National Research Center “Kurchatov Institute”

Author for correspondence.
Email: georg.nov97@gmail.com
Russian Federation, Moscow, 119421

A. A. Medvedeva

Photochemistry Center of the Russian Academy of Sciences, Federal Research Center “Crystallography and Photonics” – National Research Center “Kurchatov Institute”

Email: georg.nov97@gmail.com
Russian Federation, Moscow, 119421

A. V. Koshkin

Photochemistry Center of the Russian Academy of Sciences, Federal Research Center “Crystallography and Photonics” – National Research Center “Kurchatov Institute”

Email: georg.nov97@gmail.com
Russian Federation, Moscow, 119421

A. I. Vedernikov

Photochemistry Center of the Russian Academy of Sciences, Federal Research Center “Crystallography and Photonics” – National Research Center “Kurchatov Institute”

Email: georg.nov97@gmail.com
Russian Federation, Moscow, 119421

N. A. Lobova

Photochemistry Center of the Russian Academy of Sciences, Federal Research Center “Crystallography and Photonics” – National Research Center “Kurchatov Institute”; Moscow Institute of Physics and Technology

Email: georg.nov97@gmail.com
Russian Federation, Moscow, 119421; Dolgoprudny, 141701

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