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Issue 11, 2011
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Altering intercomponent interactions in a photochromic multi-state [2]rotaxane

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Rotaxanes have attracted much attention because of their challenging constructions and potential applications. In this paper, a multi-state [2]rotaxane, in which a dithienylethene-functionalized dibenzo-24-crown-8 macrocycle was interlocked onto a thread component bearing a 4-morpholin-naphthalimide fluorescent stopper and two distinct recognition sites, namely, dibenzylammonium and N-methyltriazolium recognition sites, was prepared and studied. By introducing a dithienylethene photochrome into the macrocycle component, multi-mode alteration of the intercomponent interactions, such as energy transfer, electron transfer, and charge transfer interaction between the photochrome and the fluorescent naphthalimide stopper could be altered in this multi-state rotaxane system in response to the combination of chemical and photochemical stimuli.

Graphical abstract: Altering intercomponent interactions in a photochromic multi-state [2]rotaxane

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The article was received on 25 Feb 2011, accepted on 15 Mar 2011 and first published on 16 Mar 2011

Article type: Paper
DOI: 10.1039/C1OB05307H
Org. Biomol. Chem., 2011,9, 4051-4056

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    Altering intercomponent interactions in a photochromic multi-state [2]rotaxane

    H. Zhang, X. Kou, Q. Zhang, D. Qu and H. Tian, Org. Biomol. Chem., 2011, 9, 4051
    DOI: 10.1039/C1OB05307H

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