◆ Chemical Communications2026-01-01· Cationic polymerization
Synthesis of sulfur- and oxygen-bridged cationic [4]-helicenes mediated by Friedel–Crafts-S <sub>N</sub> Ar tandem reactions for red-light-driven organophotoredox catalysis
Ryoga Hasebe, R. Hanada, Yuta Tanaka, Yuta Goto, Mio Takeuchi, Hiroyoshi Takamura, Isao Kadota, Kenta Tanaka, Yujiro Hoshino
原始摘要（英文原文）· Original abstract
Ar reaction of a diaryl sulfide or a diaryl ether with a (thio)salicylic acid has been developed. The sulfur-bridged cationic [4]-helicenes are suitable as catalysts for photoredox reactions under low-energy light sources such as red LED light.
Synthesis of sulfur- and oxygen-bridged cationic [4]-helicenes mediated by Friedel–Crafts-S <sub>N</sub> Ar tandem reactions for red-light-driven organophotoredox catalysis — 科研速览 Science Skim