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Cationic all-halogen bonding rotaxanes for halide anion recognition

Abstract

A family of cationic halogen bonding [2]rotaxanes have been synthesised via an active-metal template synthetic strategy. 1H NMR spectroscopic anion titration investigations reveal these interlocked host systems recognize halides selectively over oxoanions in aqueous-organic solvent media. Furthermore, systematically modulating the rigidity and size of the rotaxanes’ anion binding cavity via metal complexation, as well as by varying the number of halogen bond-donor groups in the axle component, was found to dramatically influence halide anion selectivity.

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Publication details

The article was accepted on 10 Mar 2017 and first published on 10 Mar 2017


Article type: Paper
DOI: 10.1039/C7FD00077D
Citation: Faraday Discuss., 2017, Accepted Manuscript
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    Cationic all-halogen bonding rotaxanes for halide anion recognition

    X. Li, J. Y. C. Lim and P. D. Beer, Faraday Discuss., 2017, Accepted Manuscript , DOI: 10.1039/C7FD00077D

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