Chloride Binding Modulated by Anion Receptors Bearing Tetrazine and Urea - Archive ouverte HAL Access content directly
Journal Articles ChemPhysChem Year : 2022

Chloride Binding Modulated by Anion Receptors Bearing Tetrazine and Urea

(1, 2, 3, 4) , (1, 2, 3, 4) , (2, 5, 6, 7, 4) , (2, 1, 3, 4) , (2, 1, 3, 4) , (2, 1, 3, 4) , (2, 1, 3, 4) , (2, 8, 9, 4) , (2, 3, 1, 4) , (2, 9, 8, 4) , (2, 5, 6, 7, 4) , (2, 1, 3, 4)
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Abstract

Modulation and fine-tuning of the strength of weak interactions to bind anions are described in a series of synthetic receptors. The general design of the receptors includes both a urea motif and a tetrazine motif. The synthetic sequence towards three receptors is detailed. Impacts of H-bond strength and linker length between urea and tetrazine on chloride complexation are studied. Binding properties of the chloride anion are examined in both the ground and excited states using a panel of analytical methods (NMR spectroscopy, mass spectrometry, UV/Visible spectroscopies, and fluorescence). A ranking of the receptors by complexation strength has been determined, allowing a better understanding of the structure-properties relationship on these compounds.
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Dates and versions

hal-03854582 , version 1 (28-11-2022)

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Cite

Romain Plais, Guy Gouarin, Amélie Bournier, Olfa Zayene, Vanessa Mussard, et al.. Chloride Binding Modulated by Anion Receptors Bearing Tetrazine and Urea. ChemPhysChem, 2022, ⟨10.1002/cphc.202200524⟩. ⟨hal-03854582⟩
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