Any cyclic carboxylic ester containing a 1-oxacycloalkan-2-one structure, or an analogue having unsaturation or heteroatoms replacing one or more carbon atoms of the ring. Cyclic esters of hydroxy carboxylic acids, containing a 1-oxacycloalkan-2-one structure. Large cyclic lactones of over a dozen atoms are macrolides.

http://purl.obolibrary.org/obo/CHEBI_25000

lactones

http://purl.obolibrary.org/obo/CHEBI_25000

Any cyclic carboxylic ester containing a 1-oxacycloalkan-2-one structure, or an analogue having unsaturation or heteroatoms replacing one or more carbon atoms of the ring.

Cyclic esters of hydroxy carboxylic acids, containing a 1-oxacycloalkan-2-one structure. Large cyclic lactones of over a dozen atoms are macrolides.

https://en.wikipedia.org/wiki/Category:Lactones

https://www.wikidata.org/wiki/Q59078

https://en.wikipedia.org/wiki/Lactone

lactone

QD305.A2

http://id.loc.gov/authorities/subjects/sh85073870

http://purl.bioontology.org/ontology/MESH/D007783

CHEBI:25000

lactone

http://purl.bioontology.org/ontology/SNOMEDCT/419190006

http://purl.obolibrary.org/obo/CHEBI_35701

http://purl.obolibrary.org/obo/CHEBI_33308

http://purl.obolibrary.org/obo/CHEBI_38104