Use of anions to allow translational isomerism of a [2]rotaxane
Resource
Chemistry-A European Journal 13 (15): 4350-4355
Journal
Chemistry - A European Journal
Journal Volume
13
Journal Issue
15
Pages
4350-4355
Date Issued
2007
Author(s)
Abstract
We report a molecular [2]rotaxane which comprises a molecular cage and a dumbbell-shaped component, in which translational isomerism can be performed reversibly through an in situ anion exchange process, that is, sequential addition of Bu4NCl/AgPF6 reagent pairs. The [2]rotaxane incorporates two pyridinium and two dialkylammonium centers and functions as a triply operable molecular switch, which can be controlled through altering the polarity of the solvent, adding acidic and basic reagents (TFA/Et3N), and the varying the nature of the counteranions (Cl- vs PF6-).
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Type
journal article
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