Fig. 1: Site-selective α-amino C(sp3)–H arylation for the construction of benzylamines.

a Ubiquitous benzylamine structural motifs in pharmaceuticals. b Site-selective α-amino C(sp3)–H arylation reactions: state of the art and challenges to be achieved. c Our new C(sp3)–H arylation strategy: radical aryl migration through hydrogen atom transfer catalysis. d This work: radical aryl migration of ureas through photoredox-mediated HAT catalysis for site-selective α-amino C(sp3)–H arylation and benzylamine synthesis.