Abstract
1-Perfluoropropanesulfonyl fluoride and 1,3-perfluoropropanedisulfonyl difluoride are prepared in good yields by electrochemical perfluorination (ECPF) of 1-propanesulfonyl fluoride and 1,3-propanedisulfonyl difluoride respectively. The latter is a new compound, which could be prepared from the corresponding disulfonyl dichloride. The dependence of yield and isomerisation on temperature, starting concentration and total current are investigated. Some new partially fluorinated compounds are identified by 19F NMR spectroscopy.
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