Proton and electron transfer control of the position of cucurbit[n]uril wheels in pseudorotaxanesn

Vladimir Sindelar, Serena Silvi, Samantha E. Parker, David Sobransingh, Angel Kaifer

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

This paper presents an overview of recent work on the binding interactions between a series of 4,4′-bipyridinium (viologen) derivatives and the hosts cucurbit[6]uril (CB6) and cucurbit[7]uril (CB7), which give rise to stable 'wheel-on-an-axle' inclusion complexes (pseudorotaxanes) in aqueous solution. The carboxylic acid termini on the pseudorotaxane axle can be used as handles to control-via proton transfer reactions - the relative position of the CB wheel along the axle. We also report on a different type of pseudorotaxane in which the reversible oxidation of the axle's ferrocenyl end groups leads to controlled displacement of the CB7 wheel.

Original languageEnglish
Pages (from-to)694-701
Number of pages8
JournalAdvanced Functional Materials
Volume17
Issue number5
DOIs
StatePublished - Mar 23 2007

Fingerprint

Rotaxanes
Axles
wheels
Protons
Wheels
electron transfer
protons
Electrons
Viologens
Proton transfer
Carboxylic Acids
Carboxylic acids
carboxylic acids
inclusions
aqueous solutions
Derivatives
Oxidation
oxidation
interactions

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Science(all)
  • Condensed Matter Physics
  • Physics and Astronomy (miscellaneous)

Cite this

Proton and electron transfer control of the position of cucurbit[n]uril wheels in pseudorotaxanesn. / Sindelar, Vladimir; Silvi, Serena; Parker, Samantha E.; Sobransingh, David; Kaifer, Angel.

In: Advanced Functional Materials, Vol. 17, No. 5, 23.03.2007, p. 694-701.

Research output: Contribution to journalArticle

Sindelar, Vladimir ; Silvi, Serena ; Parker, Samantha E. ; Sobransingh, David ; Kaifer, Angel. / Proton and electron transfer control of the position of cucurbit[n]uril wheels in pseudorotaxanesn. In: Advanced Functional Materials. 2007 ; Vol. 17, No. 5. pp. 694-701.
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