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Anion binding and transport properties of cyclic 2,6-bis(1,2,3-triazol-1-yl)pyridines†
Tamara Merckx,Cally J. E. Haynes,Louise E. Karagiannidis,Harriet J. Clarke,Katie Holder,Alexandra Kelly,Graham J. Tizzard,Simon J. Coles,Peter Verwilst,Philip A. Gale,Wim Dehaen
Organic & Biomolecular Chemistry Pub Date : 12/01/2014 00:00:00 , DOI:10.1039/C4OB02236J
Abstract

A series of cyclic 2,6-bis-(1,2,3-triazolyl)-pyridine anion receptors with thiourea functionalities were synthesized by click reaction of 2,6-diazidopyridine with protected propargylamine followed by condensation of a bisthiocyanate derivative with a series of diamines. Their chloride binding affinities as well as their transport properties in POPC bilayers were examined. These receptors were found to function as anion carriers, which can mediate both Cl/NO3 antiport and H+/Cl symport, and the transport activity of these hosts were dominated by their lipophilicity.

Graphical abstract: Anion binding and transport properties of cyclic 2,6-bis(1,2,3-triazol-1-yl)pyridines
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