Hexafluoroacetone → HCID 13980927, compound

Participants

Reaction Steps

15.3 g (0.092 mol) of hexafluoroacetone were passed with stirring in the course of 30 minutes at a temperature of 25° C. into a suspension of 5.34 g (0.092 mol) of dried potassium fluoride in 25 ml of dry diethylene glycol dimethyl ether, and the potassium fluoride dissolved. After a further 2 hours of stirring, unreacted hexafluoroacetone was distilled off under reduced pressure (water jet pump). 10 g (0.092 mol) of α-fluoroacryloyl chloride were added at a temperature of 25° C. with stirring to the remaining solution in the course of 5 minutes, and a colorless solid precipitated. The reaction mixture was stirred at a temperature of 25° C. for a further 80 minutes, and 0.005 g of hydroquinone monomethyl ether were then added, which has followed by distillation under a pressure of 40 mbar. 17.6 g (74 percent of theory) of perfluoroisopropyl α-fluoroacrylate having a boiling point of 40° C. (under 165 mbar) were obtained.

Provenance & Evidence