J. Chem. Soc., Perkin Trans. 1, 1998 839 ... Research Laboratory, I&C Sector, Building 201-2W-17, 3M Central Research, St. Paul, MN 55144-1000, USA ... Sodium hexafluorosilicate was used as a source of fluoride ion for nucleophilic fluorination of some selected organodichlorophosphorus compounds in the presence and absence of a multifunctional ethereal solvent, giving fluoro derivatives in low to moderate yields. ... Halogen-exchange fluorination with metal fluorides is widely ...