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Issue 6, 2010
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A tristable [2]pseudo[2]rotaxane

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A strategy towards increasing the lifetime of the metastable state of a [2]rotaxane incorporating tetrathiafulvalene, 1,5-dioxynaphthalene and bipyridinium (BIPY2+) is presented. Incorporation of BIPY2+ served multiple roles as an electrostatic barrier to relaxation, a supramolecular recognition site for bis-1,5-dioxynaphthalene[38]crown-10 macrocycle, and upon reduction a recognition site for the mechanically bonded cyclobis(paraquat-p-phenylene) ring.

Graphical abstract: A tristable [2]pseudo[2]rotaxane

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The article was received on 07 Sep 2009, accepted on 03 Dec 2009 and first published on 07 Jan 2010

Article type: Communication
DOI: 10.1039/B918321C
Chem. Commun., 2010,46, 871-873

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    A tristable [2]pseudo[2]rotaxane

    A. Trabolsi, A. C. Fahrenbach, S. K. Dey, A. I. Share, D. C. Friedman, S. Basu, T. B. Gasa, N. M. Khashab, S. Saha, I. Aprahamian, H. A. Khatib, A. H. Flood and J. F. Stoddart, Chem. Commun., 2010, 46, 871
    DOI: 10.1039/B918321C

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