🥼organic chemistry review

Lactones

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Lactones are cyclic organic compounds formed by the intramolecular esterification of hydroxycarboxylic acids. They are a specific type of ester found within the broader context of carboxylic acid derivatives and nucleophilic acyl substitution reactions.