Up and down the dumbbell: Photoisomerization of a stilbene rotaxane results in relocation of the cyclodextrin macrocycle in just one direction (see scheme). This behavior, and that of related rotaxanes, sheds light on the mechanism of shuttling in molecular machines.
Die Hantel rauf und runter: Der Cyclodextrin‐Makrocyclus bewegt sich bei Photoisomerisierung des Stilben‐Rotaxans in genau eine Richtung (siehe Schema). Mit diesem Verhalten ermöglichen die beschriebenen und ähnliche Rotaxane Rückschlüsse auf Mechanismen des Hin‐und‐Herbewegens bei molekularen Maschinen.
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