Fig. 3: Structure of rotaxane Rot and chloride-induced shuttling.
From: Switchable protection and exposure of a sensitive squaraine dye within a redox active rotaxane
a Equilibrium between Ax, TLM and psRot & schematic depictions of these species. b Molecular structure of rotaxane Rot with schematic depiction. c Partial 1H NMR spectrum of SqRot0. d Partial 1H NMR spectrum of TriazRot0⊃Cl− after addition of 59 equiv. n-Bu4NCl.
