Fig. 1

The macrocycles, molecular knots and links prepared in this study with their trivial names and descriptors using the Alexander–Briggs notation38. a 01 Unknot, (b) 31 Trefoil knot (c) 41 Figure-eight knot and (d) [2]Catenane

The macrocycles, molecular knots and links prepared in this study with their trivial names and descriptors using the Alexander–Briggs notation38. a 01 Unknot, (b) 31 Trefoil knot (c) 41 Figure-eight knot and (d) [2]Catenane