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Issue 56, 2016
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Halogen bonding anion recognition

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A halogen bond is an attractive non-covalent interaction between an electrophilic region in a covalently bonded halogen atom and a Lewis base. While these interactions have long been exploited as a tool in crystal engineering their powerful ability to direct supramolecular self-assembly and molecular recognition processes in solution has, until recently, been overlooked. During the last decade however an ever-increasing number of studies on solution-phase halogen-bond-mediated anion recognition processes has emerged. This Feature Article summarises advancements which have been made thus far in this rapidly developing research area. We survey the use of iodoperfluoroarene, haloimidazolium and halotriazole/triazolium halogen-bond-donor motifs in anion receptor design, before providing an account of our research into the application of mechanically interlocked rotaxane and catenane frameworks as halogen bonding anion host systems.

Graphical abstract: Halogen bonding anion recognition

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The article was received on 01 May 2016, accepted on 26 May 2016 and first published on 06 Jun 2016

Article type: Feature Article
DOI: 10.1039/C6CC03638D
Chem. Commun., 2016,52, 8645-8658

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    Halogen bonding anion recognition

    A. Brown and P. D. Beer, Chem. Commun., 2016, 52, 8645
    DOI: 10.1039/C6CC03638D

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