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New 2,5-bis(2-ethylhexyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione-2,2’-bipyridine-based co-polymer, synthesis, photophysical properties and response to metal cations

Alexey P. Krinochkin, Мaria I. Savchuk, Еkaterina S. Starnovskaya, Igor L. Nikonov, Artem V. Baklykov, Ekaterina A. Kudryashova, Svetlana S. Rybakova, Evgeny D. Ladin, Dmitry S. Kopchuk, Zhuo Wang, Oleg N. Chupakhin


A new co-polymer based on fragments of 2-(2-pyridyl)monoazatriphenylene and 2,5-bis (2-ethylhexyl)-3,6-di(thiophen-2-yl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione was prepared by using the Sonogashira reaction. The photophysical properties of the polymer were studied. The presence of a strong bathochromic shift of the absorption and emission maxima in comparison with the previously described monomer units is shown. The polymer exhibits an intense “turn-off” response toward Cu2+ cations.


Sonogashira coupling, polymer, monoazatriphenylene, 3,6-di(thiophen-2-yl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione, fluorescence, Cu2+ “turn-off” response

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Copyright (c) 2021 Alexey P. Krinochkin, Мaria I. Savchuk, Еkaterina S. Starnovskaya, Igor L. Nikonov, Artem V. Baklykov, Ekaterina A. Kudryashova, Svetlana S. Rybakova, Evgeny D. Ladin, Dmitry S. Kopchuk, Zhuo Wang, Oleg N. Chupakhin

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Chimica Techno Acta, 2014-2022
ISSN 2411-1414 (Online)