dc.contributor.authorZhu, Liangliang
dc.contributor.authorYan, Hong
dc.contributor.authorWang, Xiao-Jun
dc.contributor.authorZhao, Yanli
dc.date.accessioned2013-10-30T04:25:16Z
dc.date.available2013-10-30T04:25:16Z
dc.date.copyright2012en_US
dc.date.issued2012
dc.identifier.citationZhu, L., Yan, H., Wang, X.- J., & Zhao, Y. (2012). Light-Controllable Cucurbit[7]uril-Based Molecular Shuttle. The Journal of Organic Chemistry, 77(22), 10168-10175.en_US
dc.identifier.urihttp://hdl.handle.net/10220/17045
dc.description.abstractThe design and construction of novel artificial molecular machines can be categorized as a currently important field of modern chemistry. In the present work, a novel photoresponsive [3]rotaxane containing two cucurbit[7]uril (CB[7]) rings and a dumbbell component consisting of one trans-azobenzene unit along with two viologen units was developed. Each viologen group was encircled by a CB[7] ring with a rapid shuttling equilibration distribution extended to the trans-azobenzene unit located in the middle of the dumbbell component. Upon the trans-to-cis photoisomerization of the azobenzene unit under UV light irradiation, a shuttling restriction of the CB[7] rings along the dumbbell component was observed. The equilibration distribution of the macrocycles on the dumbbell component can be recovered by the cis-to-trans photoisomerization of the azobenzene unit under visible light irradiation. Such a controllable shuttling process was fully characterized by 1H NMR spectroscopy and was easily indicated by fluorescent changes of the [3]rotaxane.en_US
dc.language.isoenen_US
dc.relation.ispartofseriesThe journal of organic chemistryen_US
dc.rights© 2012 American Chemical Societyen_US
dc.titleLight-controllable cucurbit[7]uril-based molecular shuttleen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Materials Science and Engineeringen_US
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.identifier.doihttp://dx.doi.org/10.1021/jo301807y


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