Bis(calix[4]diquinone) receptors: Cesium- and rubidium-selective redox-active ionophores

abstract

A new class of redox-active ionophore comprised of two calix[4]diquinone moieties connected through either alkylene or pyridylene linkages has been developed. Spectroscopic and electrochemical investigations, X-ray crystal structure analyses, and molecular modeling studies show butylene- and propylene-linked members of this family of redox-active receptors exhibit remarkable selectivity preferences and substantial electrochemical recognition effects toward cesium and rubidium cations.

keywords

X-RAY-DIFFRACTION; ELECTROCHEMICAL RECOGNITION; MOLECULAR MECHANICS; CROWN-ETHERS; COMPLEXATION; CALIXARENES; CALIX<4>ARENES; CALIXQUINONES; CHEMISTRY; BINDING

subject category

Chemistry

authors

Webber, PRA; Beer, PD; Chen, GZ; Felix, V; Drew, MGB

our authors

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