Double-Circularly Connected Saloph-Belt Macrocycles Generated from a Bis-Armed Bifunctional Monomer

Belt-shaped macrocycles possessing saloph units as their walls have been generated by the double-circular connection of a bis-armed bifunctional monomer bearing both o-phenylenediamine and salicylaldehyde functionalities. The saloph-belt macrocycles showed unique properties, such as the selective inclusion of fullerenes (K_a(C₇₀)/K_a(C₆₀) > 100), utilizing their rigid scaffolds.