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

Riccardo Montis, Andrea Bencini, Simon J. Coles, Luca Conti, Luca Fusaro, Philip A. Gale, Claudia Giorgi, Peter N. Horton, Vito Lippolis, Lucy K. Mapp, Claudia Caltagirone

    Research output: Contribution to journalArticlepeer-review

    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.

    Original languageEnglish
    Pages (from-to)2745-2748
    Number of pages4
    JournalChemical Communications
    Volume55
    Issue number19
    DOIs
    Publication statusPublished - 14 Jan 2019

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