Synthesis of α,α-difluoronitriles from acyl cyanides

Article abstract of DOI:10.1016/S0022-1139(00)80421-2

Aromatic α,α-difluoronitriles (aryl α,α-difluoroacetonitriles) have been synthesized by reaction of aroyl cyanides with diethylamino sulphur trifluoride.Some liquid crystalline difluoronitriles have been prepared by this method.