Synthesis, Photo-, and Ionochromic Properties of Indolyl(thienyl)maleimides with Terpyridine Receptor

Indolyl(thienyl)maleimides with terpyridine receptor in the bridge part have been synthesized. Irradiation of their toluene solutions with light at λ = 436 nm has led to the formation of cyclic isomers. The reverse ring opening reaction has occurred during the photolysis with visible light (λ > 5...

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Bibliographic Details
Published in:Russian journal of general chemistry 2019-03, Vol.89 (3), p.409-415
Main Authors: Shepelenko, E. N., Podshibyakin, V. A., Tikhomirova, K. S., Dubonosov, A. D., Bren’, V. A., Minkin, V. I.
Format: Article
Language:English
Subjects:
Acetonitrile
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Isomers
Photolysis
Ring opening
Toluene
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Summary:Indolyl(thienyl)maleimides with terpyridine receptor in the bridge part have been synthesized. Irradiation of their toluene solutions with light at λ = 436 nm has led to the formation of cyclic isomers. The reverse ring opening reaction has occurred during the photolysis with visible light (λ > 500 nm). 1-(4-([2,2′:6′,2″-Terpyridin]-4′-yl)phenyl)derivatives have exhibited the properties of chromogenic naked-eye sensors to Fe 2+ cations in acetonitrile solution, changing the solution color from bright-orange to red.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363219030071