Perfluoroalkylcopper compounds, reactions

The reaction of perfluoroalkylcopper compounds, prepared in situ from the perfluoroalkyl iodide and copper, with ip -hybridized organic halides [Eq. (73)] in refluxing pyridine utilizes the thermal stability of the intermediate copper compounds and their failure to react with sp -hybridized halides (29, 30). 

Table 6, Perfluoroalkyl Aromatic Compounds Prepared via the Reaction of Perfluoroalkylcopper Reagents with lodo-or Bromoaromatic Compounds...

A possible route to secondary perfluoroalkylcopper reagents may be a reaction between a copper(I) halide and a secondary perfluoroalkylsilver compound. The latter are easily prepared by the addition of silver fluoride to a perfluoroolefin in acetonitrile at 25°C 202) [Eq. (26)]. 

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