Fig. 1: Background and new strategy to access deuterium-containing molecules.
From: Metallaphotoredox deuteroalkylation utilizing thianthrenium salts

a Deuterium-containing drugs. b Deuteration of alkyl (pseudo)halides and carboxylic acids. c Reduction of aryl TT salts to access isotopically labelled arenes. d Metallaphotoredox-catalyzed cross-electrophile coupling of d2-labeled TT salts (This work).