New alkane - sulfonates hyperfluores, their preparation and their application as agents for 2,2,2 ethylation trifluorochloroethylene - -

摘要

Trifluoroethylating agent of the formula I F(CF2)nSO2OCH2CF3 (I in which n = 3 to 8. The compound in which n = 4 is particularly suitable. The compounds are used for the introduction of a trifluoroethyl group into a nucleophilic compound.