Hydrogen-Bonding Amidoindoles in the Presence of Anions: An X-ray Structure of a Receptor at the Acid–Base Half-Equivalence that Binds an Anion

Sylvain Koeller, Marie-Hélène Lescure, Clotilde Davies, Jean-Pierre Desvergne, Stéphane Massip, Brigitte Bibal

Index: 10.1002/ejoc.201701040

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Abstract

Hydrogen-bonding catalysts are shown to interact with anions through binding or an acid–base reaction. The X-ray structure reveals that at the half-equivalence point two receptors bind a PF6– anion. HBD = hydrogen-bond donor.