Five molecular shuttles based on degenerate [2]rotaxanes have been prepared by acylation of parent hydroxymethyl derivative. Dynamic 1 H NMR spectroscopy carried out in CD 3 CN solutions has revealed average Gibbs energy barriers to shuttling.
Five molecular shuttles based on degenerate [2]rotaxanes have been prepared by acylation of parent hydroxymethyl derivative. Dynamic 1 H NMR spectroscopy carried out in CD 3 CN solutions has revealed average Gibbs energy barriers to shuttling. (en)