Acetyl chloride → HCID 12895018, compound

Participants

Reaction Steps

A mixture of acetyl chloride (4.6 ml) and 4-fluoroanthranilic acid (5 g) in acetic anhydride (100 ml) was heated under reflux for 48 hours, cooled and filtered. The filtrate was added to ice/water, stirred for 1 hour and extracted with ethyl acetate. The extract was dried and the solvent removed under reduced pressure to give 7-fluoro-2-methyl-3,1-benzoxazin-4-one, m.p. 159°-160°. (Compound 2).

Provenance & Evidence