Pentafluoropyridine is the organofluorine compound with the formula . It is the perfluorinated derivative of pyridine, a colorless liquid. It is notable for its susceptibility to substitution of the 4-fluoro group, e.g. by amines.
The compound can be prepared by treating pentachloropyridine with potassium fluoride. The conversion conforms to the pattern of easy substitution of C–Cl bonds in pyridines.
References