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Synthesis of new ethynylbipyridine-linked mono- and bis-tetrathiafulvalenes: electrochemical, spectroscopic, and Ru(II)-binding studies

Abstract :

Two new ethynylbipyridine-linked mono- and bis-tetrathiafulvalene (TTF) derivatives, together with a Ru(II) complex, were synthesized using Sonogashira coupling reactions and characterized by UV/vis spectroscopy and cyclic voltammetry. They display a clear electrochemically amphoteric behavior consisting of two reversible single-electron oxidation waves (typical for TTF derivatives) and one reversible single-electron reduction wave (bpy) and act as donor–acceptor (D–A) systems. Furthermore, for the Ru(II) complex, a quite intense fluorescence originating from the 3MLCT state is observed.

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https://hal.univ-angers.fr/hal-03343353
Contributeur : Okina Université d'Angers <>
Soumis le : mardi 14 septembre 2021 - 10:25:29
Dernière modification le : mercredi 15 septembre 2021 - 03:27:13

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Christine Goze, Shi-Xia Liu, Claudia Leiggener, Lionel Sanguinet, Eric Levillain, et al.. Synthesis of new ethynylbipyridine-linked mono- and bis-tetrathiafulvalenes: electrochemical, spectroscopic, and Ru(II)-binding studies. Tetrahedron, Elsevier, 2008, 64 (7), pp.1345 - 1350. ⟨10.1016/j.tet.2007.11.056⟩. ⟨hal-03343353⟩

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