
Journal of Fluorine Chemistry p. 115 - 116 (1995)
Update date:2022-08-05
Topics:
Nowak, I.
Dmowski, W.
Manko, W. A.
The reaction of 2,5-dimethyl-3,4-furandicarboxylic acid (1) with sulphur tetrafluoride gave crystalline 2,5-dimethyl-4-trifluoromethyl-3-furanoyl fluoride (2) and a liquid composed of 2-methyl-5-difluoromethyl-3,4-bis(trifluoromethyl)furan (4), 2-methyl-3,4,5-tris(trifluoromethyl)furan (5) and only small amounts of the expected 2,5-dimethyl-3,4-bis(trifluoromethyl)furan (3). - Keywords: Sulphur tetrafluoride; Fluoromethylfurans; Furandicarboxylic acid; Methyl group fluorination; NMR spectroscopy; Mass spectrometry
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