Hydrochloric Acid → 2,3-Difluorophenyl propionate

Beteiligte Stoffe

Reaktionsschritte

20 g (153.7 mmol) of 2,3-difluorophenol in 150 ml of dichloromethane and 17.5 ml of pyridine are admixed dropwise at 0° C. with 14 ml (161 mmol) of propionyl chloride. The mixture is stirred for two hours and 100 ml of 2 M hydrochloric acid are added. The mixture is extracted with dichloromethane and the extracts are washed with water. Drying over sodium sulphate and the removal of the solvent in vacuo give 30.1 g of 2,3-difluorophenyl propionate.

Herkunft & Nachweise