| 摘要 |
1,252,102. Perfluoroalkyl sulphonyl fluorides. FARBENFABRIKEN BAYER A.G. 12 March, 1970 [13 March, 1969], No. 11965/70. Heading C2C. [Also in Division C7] Compounds of formula R f SO 2 F, wherein R f is a C 4-40 perfluoroalkyl group are prepared by electrolysis of a compound of formula wherein each of R 1 to R 6 is hydrogen or a C 1-6 alkyl group, in anhydrous hydrofluoric acid. |
