Journal of Fluorine Chemistry p. 509 - 514 (1990)
Update date:2022-08-12
Topics:
Chen, Qing-Yun
Wu, Sheng-Wen
In the presence of catalytic amounts of sodium sulfate or sodium chloride, fluorosulfonyldifluoroacetic acid (1) was decarboxylated in CH3CN-H2O to give difluoromethanesulfonyl fluoride (2) in moderate yield. 2 can be completely hydrolyzed to the corresponding acid 3 at 80 deg C to 100 deg C.The overall yield of 3 from 1 was 53percent.
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