One-pot synthesis of tertiary alkyl fluorides from methyl oxalates by radical deoxyfluorination under photoredox catalysis

Tertiary alkyl fluorides have been prepared from methyl oxalates derived from tertiary alcohols by a sequential one-pot hydrolysis/photoredox catalyzed radical deoxyfluorination sequence. The reaction operates under mild conditions and tolerates a wide range of functional groups. This method provides an alternative approach to ionic deoxyfluorination transformations for the incorporation of Carbone–Fluorine quaternary centers into organic molecules.