Visible-Light-Induced Defluorinative α‑C(sp3)–H Alkylation for the Synthesis of gem-Difluoroallylated α‑Trifluoromethylamines
Organic Letters(2024)
摘要
Herein, we describe a novel and efficient photoredox catalytic Cα radical addition/defluoroalkylation coupling reaction between α-trifluoromethyl alkenes and N-trifluoroethyl hydroxylamine. A series of gem-difluoroallylated α-trifluoromethylamines were synthesized by the Cα radical addition enabled by a 1,2-H shift of the in situ-generated N-trifluoroethyl radical. Notably, this protocol is distinguished by its mild conditions, easy operation, and excellent functional group tolerability.
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