Yingqi Han

Jan 8, 2025 | cell.com | Chao Wu |Chao Chen |Yingqi Han

Keywords helicene azahelicene diaryliodonium salt CPL Introduction Helicenes, a class of polyaromatic molecules composed of multiple ortho-fused benzene rings, have garnered significant attention due to their nonplanar screw-shaped structures, inherent helical chirality, and extensive delocalized π-conjugated systems (Scheme 1).1,2,3,4 Their unique helical chirality confers advantages such as exceptionally large optical rotations5 and favorable polarizability.6,7 With distinctive features...