期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 17, 期 44, 页码 12347-12354出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201101811
关键词
anions; electrochemistry; molecular recognition; rotaxanes; supramolecular chemistry
资金
- EPSRC
- Clarendon Fund
- Trinity College, Oxford
- University of Oxford [MT1858]
The chloride anion templated synthesis of an electrochemical anion sensory interlocked host system, prepared by the integration of redox-active 1,2,3,4,5-pentaphenylferrocene stopper groups into the structure of a rotaxane capable of binding anionic guests is described. Extensive H-1 NMR and electrochemical titration investigations were used to probe the anion recognition and sensing properties of the rotaxane, compared to the axle and model system components. A characteristic electrochemical response was observed for chloride binding by the rotaxane, which was attributed to the topologically constrained cavity of the interlocked host molecule.
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