class=skin-invert-image|thumb|400px|Salicylic acid is acetylated with acetic anhydride to form [[aspirin and acetic acid as a byproduct]]
class=skin-invert-image|thumb|400px|Salicylic acid is acetylated with acetic anhydride to form [[aspirin and acetic acid as a byproduct]]
In chemistry, acetylation is an organic esterification reaction with acetic acid. It introduces an acetyl group into a chemical compound. Such compounds are termed acetate esters or simply acetates. Deacetylation is the opposite reaction, the removal of an acetyl group from a chemical compound.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).