Paper on the synthesis of CPL-emissive optically active molecules based on planar chiral [2.2]paracyclophane and chemoselective Sonogashira-Hagihara coupling was published in Bulletin of the Chemical Society of Japan. The molecules consist of unique second-ordered structures.
“Synthesis and Chiroptical Properties of †- and ‡-Shaped Molecules Based on Planar Chiral [2.2]Paracyclophane”
Sasai, Y.; Inoue; R.; Morisaki, Y. Bull. Chem. Soc. Jpn. 2020, 93(10), 1193-1199.