Volume 203, 2017

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 cavities 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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Article information

Article type
Paper
Submitted
24 Kol 2017
Accepted
10 Ube 2017
First published
10 Ube 2017

Faraday Discuss., 2017,203, 245-255

Cationic all-halogen bonding rotaxanes for halide anion recognition

X. Li, J. Y. C. Lim and P. D. Beer, Faraday Discuss., 2017, 203, 245 DOI: 10.1039/C7FD00077D

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