Synthesis of sulfur- and oxygen-bridged cationic [4]-helicenes mediated by Friedel–Crafts-S N Ar tandem reactions for red-light-driven organophotoredox catalysis

Chemical Communications 2026 Open access

Read full text
Authors: Ryoga Hasebe, R. Hanada, Yuta Tanaka, Yuta Goto, Mio Takeuchi, Hiroyoshi Takamura, Isao Kadota, Kenta Tanaka, Yujiro Hoshino
DOI: 10.1039/d5cc07398g
Cited by: 4
References: 42

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.

Fields of Study & Subjects

Synthesis and Properties of Aromatic Compounds Photochromic and Fluorescence Chemistry Radical Photochemical Reactions

Publication details

Journal / source
Chemical Communications
Publisher
Royal Society of Chemistry (RSC)
Volume
62
Issue
33
Pages
8404–8407
Publication date
1 January 2026
Language
EN