Chloride anion triggered motion in a bis-imidazolium rotaxane

Serpell, Christopher J.; Chall, Ricky; Thompson, Amber L.; Beer, Paul D.

doi:10.1039/c1dt10186b

Cited by 36 publications

(15 citation statements)

References 28 publications

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“…Reintroduction of chloride returns the macrocycle to its original position. Other rotaxane shuttles, switchable by Cl À /PF 6 À metathesis, have also been reported by the research groups of Beer [247] and Chiu. [248] A neutral rotaxane, switchable by the addition and removal of acetate, has been reported by Chiu and coworkers ( Figure 100).…”

Section: Anion-responsive Complexes and Moleculesmentioning

confidence: 58%

Advances in Anion Supramolecular Chemistry: From Recognition to Chemical Applications

2014

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Since the start of this millennium, remarkable progress in the binding and sensing of anions has been taking place, driven in part by discoveries in the use of hydrogen bonding, as well as the previously under-exploited anion-π interactions and halogen bonding. However, anion supramolecular chemistry has developed substantially beyond anion recognition, and now encompasses a diverse range of disciplines. Dramatic advance has been made in the anion-templated synthesis of macrocycles and interlocked molecular architectures, while the study of transmembrane anion transporters has flourished from almost nothing into a rapidly maturing field of research. The supramolecular chemistry of anions has also found real practical use in a variety of applications such as catalysis, ion extraction, and the use of anions as stimuli for responsive chemical systems.

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Section: Anion-responsive Complexes and Moleculesmentioning

confidence: 58%

Advances in Anion Supramolecular Chemistry: From Recognition to Chemical Applications

2014

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“…131 Due to their intramolecular nature, cyclisation reactions are inherently more prone to non-productive side reactions than intermolecular couplings. Nonetheless, both clipping 132 and stoppering 133 reactions of anion-templated pseudointerlocked precursors have been used to prepare MIMs.…”

Section: Organic and Biomolecular Chemistry Reviewmentioning

confidence: 99%

Synthetic strategies towards mechanically interlocked oligomers and polymers

Pérez

Lewis

2020

Org. Biomol. Chem.

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“…Die Wiedereinführung von Chlorid bringt den Makrocyclus in seine Ausgangsposition zurück. Darüber hinaus wurden von den Gruppen von Beer [247] und Chiu [248] andere Rotaxan-Shuttle beschrieben, die sich durch Cl À -PF 6 À -Austausch schalten lassen. [248] Über ein neutrales Rotaxan, das sich durch Zugabe und Entfernen von Acetat schalten lässt, berichteten Chiu und Mitarbeiter (Abbildung 100).…”

Section: Angewandte Chemieunclassified

Supramolekulare Chemie von Anionen: von der Erkennung zur chemischen Anwendung

Evans

Beer

2014

Angewandte Chemie

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Seit der Jahrtausendwende fanden bemerkenswerte Fortschritte bei der Bindung und dem Nachweis von Anionen statt, die teilweise von den Erkenntnissen zur Ausnutzung von Wasserstoffbrücken ebenso wie den zuvor selten eingesetzten Anionen‐π‐Wechselwirkungen und Halogenbrücken angetrieben wurden. Die supramolekulare Chemie von Anionen wurde indes substantiell über die Anionenerkennung hinaus weiterentwickelt und umfasst nun verschiedene Disziplinen. Große Fortschritte wurden bei der Synthese von Makrocyclen und ineinandergreifenden molekularen Architekturen mit Anionen als Templaten erzielt, während die Untersuchung von anionischen Transmembrantransportern aus dem Nichts heraus zu einem rasch wachsenden Forschungsgebiet erblühte. Die supramolekulare Chemie der Anionen kam außerdem in verschiedenen Anwendungsbereichen wie der Katalyse, der Ionenextraktion und der Verwendung von Anionen als Impuls für molekulare Systeme zum praktischen Einsatz.

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Chloride anion triggered motion in a bis-imidazolium rotaxane

Abstract: We report the first bis-imidazolium-containing rotaxane, synthesised via anion templated self-assembly. Its co-conformation is controlled by a chloride anion recognition mechanism, thus demonstrating the viability of this protocol as a stimulus for shuttling molecular motion.

Cited by 36 publications

References 28 publications

Advances in Anion Supramolecular Chemistry: From Recognition to Chemical Applications

Advances in Anion Supramolecular Chemistry: From Recognition to Chemical Applications

Synthetic strategies towards mechanically interlocked oligomers and polymers

Supramolekulare Chemie von Anionen: von der Erkennung zur chemischen Anwendung

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