Fig. 1: Design of the sulfonyltrifluoromethylation of olefins via red light-mediated photocatalysis.

a Selective drug molecules containing trifluoromethyl and sulfonyl groups. b Site-selective trifluoromethylation of olefin. c The requirements for the control of two distinct radicals. d Red light-mediated sulfonyltrifluoromethylation of olefin and optimizations (This work). NFSI, N-fluorobenzenesulfonimide; PC, photocatalyst; DCE, 1,2-dichloroethane; rt, room temperature; bpy, 2,2′-bipyridine; 1,10-phen, 1,10-phenanthroline.