Fig. 2. 1H NMR spectra (400 MHz, CDCl3, 298 K) of: (a) thread 1; (b) [2]rotaxane 2; (c) hetero[4]pseudorotaxane 5·5. See lettering in Scheme 1. Signals related to the fumaramide station are highlighted in red. Signals related to the GlyGly station are highlighted in green. Signals related to the diamide macrocycle are highlighted in purple. Signals related to the tetraamide macrocycle are highlighted in light blue. See lettering in Scheme 1.
