A tristable [2]pseudo[2]rotaxane

A strategy towards increasing the lifetime of the metastable state of a [2]rotaxane incorporating tetrathiafulvalene, 1,5-dioxynaphthalene and bipyridinium (BIPY(2+)) is presented. Incorporation of BIPY(2+) served multiple roles as an electrostatic barrier to relaxation, a supramolecular recognition...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2010-01, Vol.46 (6), p.871-873
Main Authors: Trabolsi, Ali, Fahrenbach, Albert C, Dey, Sanjeev K, Share, Andrew I, Friedman, Douglas C, Basu, Subhadeep, Gasa, Travis B, Khashab, Niveen M, Saha, Sourav, Aprahamian, Ivan, Khatib, Hussam A, Flood, Amar H, Stoddart, J Fraser
Format: Article
Language:English
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Summary:A strategy towards increasing the lifetime of the metastable state of a [2]rotaxane incorporating tetrathiafulvalene, 1,5-dioxynaphthalene and bipyridinium (BIPY(2+)) is presented. Incorporation of BIPY(2+) 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.
ISSN:1359-7345
1364-548X
DOI:10.1039/b918321c