Abstract
Perfluoroalkylsilver(I) compounds are obtained via ligand exchange reactions of AgNO 3 and Cd(R f) 2 compounds in aprotic polar solvents. Equilibria between the neutral species AgR f · D and the ionic species [Ag(R f) 2] − involve silver(1) ions and exhibit strange solvent-dependency. The 19F- and 109Ag-NMR data as well as the T t-values have been measured. Reactions with e.g. C 6H 5HgCl proceed at −30°C within a few minutes to give the corresponding phenyl(perfluoroalkyl)mercury derivatives. However, the versatility of AgR f reagents as perfluoroalkyl-group transfer reagents in DMF and N(C 2H 5) 3 remains limited.
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