Calix[6]arenes with halogen bond donor groups as selective and efficient anion transporters

Anurag Singh, Aaron Torres-Huerta, Tom Vanderlinden, Nathan Renier, Luis Martínez-Crespo, Nikolay Tumanov, Johan Wouters, Kristin Bartik, Ivan Jabin, Hennie Valkenier

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Abstract

Here we present the anion binding and anion transport properties of a series of calix[6]arenes decorated on their small rim with either halogen bond or hydrogen bond donating groups. We show that the halogen bond donating iodotriazole groups enable highly selective transport of chloride and nitrate anions, without transport of protons or hydroxide, at rates similar to those observed with thiourea or squaramide groups.

Original languageEnglish
Pages (from-to)6255-6258
Number of pages4
JournalChemical Communications
Volume58
Issue number42
DOIs
Publication statusPublished - 6 May 2022

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