abstract |
The present disclosure relates to the preparation of a compound of formula (I) comprising an —SO 2 F function, R—SO 2 F, by reacting a compound of formula (II), R′—SO 2 X, with a fluorinating agent, the process carried out in the liquid phase in the presence of hydrofluoric acid using an antimony-based fluorination catalyst, wherein R, R′, and X are described herein. |