Scheme 1.
Formation of rotaxanes 4 and 5. [a] Consumption of 1 a. [b] Determined by 1H NMR analysis of the crude reaction product. [c] Conversion varied considerably run‐to‐run. [d] Yield of isolated product.18
Formation of rotaxanes 4 and 5. [a] Consumption of 1 a. [b] Determined by 1H NMR analysis of the crude reaction product. [c] Conversion varied considerably run‐to‐run. [d] Yield of isolated product.18