2-Fluoroacryloyl chloride → Pentachlorophenyl 2-fluoroprop-2-enoate

Beteiligte Stoffe

Reaktionsschritte

13.9 g (0.128 mol) of α-fluoroacryloyl chloride (obtained in accordance with example 1c) were added dropwise, at a temperature of 25° C., with stirring and in the course of 30 minutes, to a solution of 30 g (0.0985 mol) of potassium pentachlorophenate in 400 ml of anhydrous acetonitrile, and the reaction mixture was then stirred for a further 90 minutes at the same temperature. The solid formed was filtered off and washed with 20 ml of anhydrous acetonitrile. After 0.01 g of hydroquinone monomethyl ether had been added, the volatile constituents in the mixture of filtrate and washing liquor were distilled off and the residue was recrystallized from boiling n-hexane. 17 g (51% of theory) of pentachlorophenyl α-fluoroacrylate were obtained, melting point 90° to 92° C.

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