Fig. 5: The scope of [n]paracyclophanes.

aThe reaction was performed at 40 °C. bThe reaction was performed at 50 °C. cThe reaction was performed at room temperature, 5ge was obtained in 86:14 er. dThe reaction was performed at 40 °C, 5ge was obtained in 92:8 er. eThe reaction was performed at 40 °C, IV was used as catalyst.