REACTIONS OF TERTIARY FORMAMIDES WITH SULPHUR TETRAFLUORIDE. DIRECT SYNTHESIS OF (TRIFLUOROMETHYL)AMINES
Treatment of dimethylformamide 1a, diethylformamide 1b, 1-formylpiperidine 3a, 4-formylmorpholine 3b, and ethyl-phenylformamide 5 with sulphur tetrafluoride in the presence of potassium fluoride resulted in a direct conversion of the formyl group to the t