Organic Letters · 2005 · 80 citations · 18 references
Natural SciencesChemistryPhysicsMolecular PhysicsMolecular MachinesMolecular MotorsPhotochemistrySupramolecular PolymersChemically Driven Molecular MotorsEnergy Transduction In Molecular MachinesEnergy TransferEnergy Transfer PhotochemistryMolecular RotaxanesMolecular ShuttlesMolecular Switching BehaviorRotational Energy Transfer
[reaction: see text] A novel [2]rotaxane, containing pyrene and perylene bisimide as both stoppers and photoactive units, has been prepared. The shuttling of the protonated macrocycle switched the energy transfer (EN) from a pyrene moiety to a perylene moiety, which resulted in changes of fluorescence of the perylene moiety.
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