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First Occurrence of Tetrazines in Aqueous Solution: Electrochemistry and Fluorescence

Fritea, L; Audebert, P; Galmiche, L; Gorgy, K; Le Goff, A; Villalonga, R; Sandulescu, R; Cosnier, S CHEMPHYSCHEM 2015, 16, 3695-3699.

Références :

CHEMPHYSCHEM 2015, 16, 3695-3699.

Auteur(s) : 

Fritea, L; Audebert, P; Galmiche, L; Gorgy, K; Le Goff, A; Villalonga, R; Sandulescu, R; Cosnier, S

The photophysical and electrochemical properties of tetrazines substituted by linear 2,3-naphtalimide antennas and/or adamantane groups specifically dedicated to host-guest interactions with cyclodextrins are studied both in organic and aqueous media. In acetonitrile solvent, the reduction potential of tetrazine leading to the anion radical is shifted, depending on the electron-withdrawing power of the substituent of the tetrazines. Due to the hydrophobic character of these com-pounds, their solubilization in aqueous solution is achieved successively in presence of either beta-cyclodextrins or gold nanoparticules modified by beta-cyclodextrins. We demonstrate that the formation of the inclusion compound tetrazine-cyclodextrin allows the solubilization of the tetrazines in aqueous solution. The supramolecular assemblies obtained in water retain tetrazine's emission properties, yielding a yellow fluorescence.

Illustration Article Fritea
Type :
Publication
Dates :
Paru le 4 novembre 2015
Informations complémentaires :
DOI: 10.1002/cphc.201500544

 

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