A Redox-Controllable Molecular Switch Based on Weak Recognition of BPX26C6 at a Diphenylurea Station
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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
Molecules 2015, 20(2), 1775-1787; https://doi.org/10.3390/molecules20021775
Received: 9 December 2014
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Revised: 8 January 2015
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Accepted: 15 January 2015
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Published: 22 January 2015
(This article belongs to the Special Issue Host-Guest Chemistry)
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.
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Keywords:
BPX26C6; molecular switch; redox; rotaxane; urea
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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. https://doi.org/10.3390/molecules20021775
AMA 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(2):1775-1787. https://doi.org/10.3390/molecules20021775
Chicago/Turabian StyleChang, Jia-Cheng, Chien-Chen Lai, and Sheng-Hsien Chiu. 2015. "A Redox-Controllable Molecular Switch Based on Weak Recognition of BPX26C6 at a Diphenylurea Station" Molecules 20, no. 2: 1775-1787. https://doi.org/10.3390/molecules20021775
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