Visible-Light-Promoted E-selective Synthesis of α-fluoro-β-arylalkenyl Sulfides via Deoxygenation / Isomerization Process
2021
Regioselective synthesis of α-fluoro-β-arylalkenyl sulfides has been established with gem-difluoroalkenes and sodium sulfinates in a transition-metal-free manner. A series of control experiments were executed to demonstrate thiol radicals and anions as the proposed intermediates. Notably, regioselective Z → E isomerization was achieved under green light irradiation in the absence of a photoinitiator.
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