A stimuli responsive system of self-assembled anion-binding Fe4L68+ cages

Clegg, Jack K., Cremers, Jonathan, Hogben, Andrew J., Breiner, Boris, Smulders, Maarten M. J., Thoburn, John D. and Nitschke, Jonathan R. (2013) A stimuli responsive system of self-assembled anion-binding Fe4L68+ cages. Chemical Science, 4 1: 68-76. doi:10.1039/c2sc21486e

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Author Clegg, Jack K.
Cremers, Jonathan
Hogben, Andrew J.
Breiner, Boris
Smulders, Maarten M. J.
Thoburn, John D.
Nitschke, Jonathan R.
Title A stimuli responsive system of self-assembled anion-binding Fe4L68+ cages
Formatted title
A stimuli responsive system of self-assembled anion-binding Fe4L68+ cages
Journal name Chemical Science   Check publisher's open access policy
ISSN 2041-6520
Publication date 2013-01-01
Year available 2012
Sub-type Article (original research)
DOI 10.1039/c2sc21486e
Open Access Status DOI
Volume 4
Issue 1
Start page 68
End page 76
Total pages 9
Place of publication Cambridge, United Kingdom
Publisher RSC Publications
Language eng
Formatted abstract
A new cationic Fe4L6 cage molecule was synthesised from 4,4′-diaminobiphenyl, 2-formylpyridine and iron(II). The cage exists as a system of interconverting diastereomers in solution. The system adapts to the addition of anionic guest molecules, expressing a new combination of diastereomers that synergistically bind the guest molecules. Not only do the cage diastereomers interconvert, the volume of the individual cages adapts physically through the rotation of bonds, providing a tailored binding pocket for the guest lined with hydrogen-bond donors. A model for the resulting complex network of species was developed that allowed the system to be fully described. The anion binding constants and the kinetics of both diastereomer interconversion and guest exchange were measured.
Keyword Guest exchange
Combinatorial libraries
Molecular recognition
Coordination cage
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online 5 October 2012

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Chemistry and Molecular Biosciences
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Citation counts: TR Web of Science Citation Count  Cited 48 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 52 times in Scopus Article | Citations
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