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Article Dans Une Revue RSC Advances Année : 2021

Design and property investigation on a five-interaction-based fluorescent anion receptor clip

Résumé

A molecular clip combining a doubly substituted fluorescent anion-π donor probe and two flexible arms bearing H-bond motifs constitutes a new generation of anion receptors. Five simultaneous non-covalent interactions are highlighted by theoretical complexation studies with five different anions. A large range of analytical techniques (electrospray-tandem mass spectrometry, NMR, UV-Visible, steady-state as well as time-resolved fluorescence) was deployed to evaluate the stoichiometry and association constants with the selected anions. The photophysical and anion-π donor properties of the tetrazine ring allowed fine characterization of the binding properties of the ligand. Based on previously published results, an anti-cooperativity effect in non-covalent interactions was demonstrated.
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Dates et versions

hal-03159437 , version 1 (04-03-2021)

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Romain Plais, Hamza Boufroura, Guy Gouarin, Anne Gaucher, Violette Haldys, et al.. Design and property investigation on a five-interaction-based fluorescent anion receptor clip. RSC Advances, 2021, 11 (16), pp.9476-9487. ⟨10.1039/d1ra00630d⟩. ⟨hal-03159437⟩
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