Adde mixturam acidi glacialis acetici et anhydridi acetici ad reactionem producti, et sub refluxu ad 100 ad 150 gradus Celsii calefaci, et aminophenolum in acetaminophen acetylated.
Add a mixture of glacial acetic acid and acetic anhydride to the reaction product, and perform reflux heating at 100 to 150 degrees Celsius. Aminophenol is acetylated to acetaminophenol