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Issue 19, 2019
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Fluoride binding by an anionic receptor: tuning the acidity of amide NH groups for basic anion hydrogen bonding and recognition

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Abstract

Here we report a family of bis-amide receptors for anion binding that contain carboxylic acid groups vicinal to the amide function. Deprotonation of the carboxylic acids decreases the acidity of amide NHs, switching on the anion binding ability of the deprotonated receptors with selectivity for fluoride complexation. The proposed systems represent a unique example of anionic receptors able to bind anions via H-bonding.

Graphical abstract: Fluoride binding by an anionic receptor: tuning the acidity of amide NH groups for basic anion hydrogen bonding and recognition

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Publication details

The article was received on 16 Dec 2018, accepted on 14 Jan 2019 and first published on 14 Jan 2019


Article type: Communication
DOI: 10.1039/C8CC09962F
Chem. Commun., 2019,55, 2745-2748

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    Fluoride binding by an anionic receptor: tuning the acidity of amide NH groups for basic anion hydrogen bonding and recognition

    R. Montis, A. Bencini, S. J. Coles, L. Conti, L. Fusaro, P. A. Gale, C. Giorgi, P. N. Horton, V. Lippolis, L. K. Mapp and C. Caltagirone, Chem. Commun., 2019, 55, 2745
    DOI: 10.1039/C8CC09962F

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