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Molecules 2015, 20(2), 1775-1787; doi:10.3390/molecules20021775

A Redox-Controllable Molecular Switch Based on Weak Recognition of BPX26C6 at a Diphenylurea Station

1
Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
2
Institute of Molecular Biology, National Chung Hsing University, Taichung 402, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: David Smithrud
Received: 9 December 2014 / Revised: 8 January 2015 / Accepted: 15 January 2015 / Published: 22 January 2015
(This article belongs to the Special Issue Host-Guest Chemistry)
View Full-Text   |   Download PDF [1598 KB, uploaded 23 January 2015]   |  

Abstract

The Na+ ion–assisted recognition of urea derivatives by BPX26C6 has allowed the construction of a redox-controllable [2]rotaxane-type molecular switch based on two originally very weakly interacting host/guest systems. Using NOBF4 to oxidize the triarylamine terminus into a corresponding radical cation attracted the macrocyclic component toward its adjacent carbamate station; subsequent addition of Zn powder moved the macrocyclic component back to its urea station. View Full-Text
Keywords: BPX26C6; molecular switch; redox; rotaxane; urea BPX26C6; molecular switch; redox; rotaxane; urea
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chang, J.-C.; Lai, C.-C.; Chiu, S.-H. A Redox-Controllable Molecular Switch Based on Weak Recognition of BPX26C6 at a Diphenylurea Station. Molecules 2015, 20, 1775-1787.

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