Synthesis of Optically Active Cyclic Compounds, Ribbon‐Shaped and Propeller‐Shaped Compounds, Consisting of Planar Chiral [2.2]Paracyclophane

Two types of optically active cyclic compounds based on planar chiral [2.2]paracyclophane skeleton are synthesized. These compounds comprise tetrasubstituted [2.2]paracyclophanes as chiral crossing units, in which π‐conjugated phenylene‐ethynylenes are folded to construct ribbon‐ and propeller‐shaped structures. The compounds emit circularly polarized luminescence (CPL) with high anisotropy factors (| g lum |) and CPL brightness values ( B CPL ).