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標題: Use of anions to allow translational isomerism of a 2 rotaxane
作者: Lin, C.F.
Lai, C.C.
Liu, Y.H.
Peng, S.M.
Chiu, S.H.
關鍵字: anion switch;host-guest systems;molecular cages;molecular machines;rotaxanes;controllable molecular switch;transition-metal;recognition;receptors;pseudorotaxane;complexation;shuttles;binding;agents
Project: Chemistry-a European Journal
期刊/報告no:: Chemistry-a European Journal, Volume 13, Issue 15, Page(s) 4350-4355.
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-).
ISSN: 0947-6539
DOI: 10.1002/chem.200601432
Appears in Collections:期刊論文

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