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Herein, we report on the photoredox-initiated gold-mediated C(sp 2 )-CF 3 and C(sp 2 )-N coupling reactions. By adopting gold as a platform for probing metallaphotoredox catalysis, we demonstrate that cationic gold(III) complexes are the key intermediates of the C-C and C-N coupling reactions. The high-valent gold(III) intermediates are accessed by virtue of photoredox catalysis through a radical chain process. In addition, the bond-forming step of the coupling reactions is the reductive elimination from cationic gold(III) intermediates, which is supported by isolation and crystallographic characterization of key Au(III) intermediates.

Mechanism of Photoredox-Initiated C–C and C–N Bond Formation by Arylation of IPrAu(I)–CF3 and IPrAu(I)–Succinimide

Mechanism of Photoredox-Initiated C–C and C–N Bond Formation by Arylation of IPrAu(I)–CF₃ and IPrAu(I)–Succinimide