Visible-Light-Induced Copper-Catalyzed Intermolecular Three-Component Difluoroalkyl Thiocyanidation of Alkenes

Org Lett. 2023 Jul 7;25(26):4835-4839. doi: 10.1021/acs.orglett.3c01555. Epub 2023 Jun 26.

Abstract

In this report, we develop a new strategy for visible-light-induced, copper-catalyzed three-component difluoroalkyl thiocyanidation of alkenes to construct a series of important difluorothiocyanate compounds. The new approach can also be applied to perfluorothiocyanate compounds, even target molecules containing drug/natural product skeletons. Mechanistic studies provide that the copper complex plays a dual role, as both the photoredox catalyst for electron transfer and the cross-coupling catalyst for C-SCN bond formation.