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A fluorescent ditopic rotaxane ion pair host

A fluorescent ditopic rotaxane ion pair host
A fluorescent ditopic rotaxane ion pair host
We report a rotaxane based on a simple urea motif that binds Cl- selectively as a
separated ion pair with H+ and reports the anion binding event through a fluorescent switch-on response. The host selectively binds Cl- over more basic anions, which deprotonate the framework and less basic anions that bind more weakly. The mechanical bond imparts size selectivity which alters the relative preferences for larger anions.
1433-7851
Denis, Mathieu
05f9a9b4-df98-4cc8-bebf-33e99bc91e7d
Qin, Lei
e3f2ae03-749c-4870-928f-4e2e7d7613d6
Turner, Peter
af5f357d-f9f5-42fc-a739-761653b4cb87
Jolliffe, Katrina A.
9818a0c7-ee67-4746-a7df-c8fe8acf2e82
Goldup, Stephen
0a93eedd-98bb-42c1-a963-e2815665e937
Denis, Mathieu
05f9a9b4-df98-4cc8-bebf-33e99bc91e7d
Qin, Lei
e3f2ae03-749c-4870-928f-4e2e7d7613d6
Turner, Peter
af5f357d-f9f5-42fc-a739-761653b4cb87
Jolliffe, Katrina A.
9818a0c7-ee67-4746-a7df-c8fe8acf2e82
Goldup, Stephen
0a93eedd-98bb-42c1-a963-e2815665e937

Denis, Mathieu, Qin, Lei, Turner, Peter, Jolliffe, Katrina A. and Goldup, Stephen (2018) A fluorescent ditopic rotaxane ion pair host. Angewandte Chemie International Edition. (doi:10.1002/anie.201713105).

Record type: Article

Abstract

We report a rotaxane based on a simple urea motif that binds Cl- selectively as a
separated ion pair with H+ and reports the anion binding event through a fluorescent switch-on response. The host selectively binds Cl- over more basic anions, which deprotonate the framework and less basic anions that bind more weakly. The mechanical bond imparts size selectivity which alters the relative preferences for larger anions.

Text rvsd MS Denis Qin Angew Anions - Accepted Manuscript
Restricted to Repository staff only until 29 January 2019.
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More information

Accepted/In Press date: 29 January 2018
e-pub ahead of print date: 5 March 2018

Identifiers

Local EPrints ID: 417510
URI: https://eprints.soton.ac.uk/id/eprint/417510
ISSN: 1433-7851
PURE UUID: d5d8ca35-2d2f-4d39-b507-5e477d188a8c
ORCID for Stephen Goldup: ORCID iD orcid.org/0000-0003-3781-0464

Catalogue record

Date deposited: 01 Feb 2018 17:30
Last modified: 12 Jun 2018 00:29

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Contributors

Author: Mathieu Denis
Author: Lei Qin
Author: Peter Turner
Author: Katrina A. Jolliffe
Author: Stephen Goldup ORCID iD

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