NUCLEOPHILE FLUOR-SUBSTITUTION AN (η6-FLUORAREN)TRICARBONYLCHROMKOM-PLEXEN MIT DIALKYLPHOSPHITEN
摘要:
The activation of fluoroarenes in their tricarbonylchromium complexes is used for the substitution of the fluoride with dialkyl phosphites under mild conditions. The resulting (eta 6-dialkyiphosphonoarene)tricarbonylchromium complexes 3a-f were characterized by IR, H-1, C-13, P-31 nmr and mass spectrometry. Using 3f the decomplexation to the dialkyl arylphosphonate 4 is demonstrated.