A well-defined [Ph4P]+[Cu(CF2CF3)2]− complex acts as a versatile pentafluoroethylating reagent for the construction of C(sp3)–, C(sp2)– and C(sp)–CF2CF3 bonds.
One reagent, the [CuCF2CF3] prepared from HCF2CF3, is capable of diverse pentafluoroethylation reactions of styrene derivatives.
A copper-catalyzed pentafluoroethylation of aryl/alkenyl iodides is described using Et3SiCF2CF3 as a direct CF2CF3 source. An intriguing selective photocatalytic hydrodefluorination of pentafluoroethylarenes is also discovered.
Herein, we report the insertion of a difluoromethylene into 1,1,2,2-tetrafluoro-2-arylethyl copper complexes to synthesize extended perfluoroalkyl-bridged compounds with various functional groups on each edge.
Ionic liquids (ILs) composed of the [EMIm]+, [BMIm]+, or [Pyr14]+ cation and the pentafluoroethyl(fluoro)phosphate anions [mer-(C2F5)3PF3]− (FAP3), [trans-(C2F5)2PF4]− (FAP2), and [(C2F5)PF5]− (FAP1) were synthesized from (C2F5)3PF2.