As nouns the difference between lactone and propiolactone
is that lactone is (organic chemistry) a cyclic intramolecular ester derived from a hydroxy acid while propiolactone is (chemistry) either of two isomeric chemical compounds of the lactone family, α-propiolactone and and β-propiolactone.
lactone
Noun
(
en noun)
(organic chemistry) A cyclic intramolecular ester derived from a hydroxy acid.
Usage notes
* Greek prefixes indicate the ring size e.g. ?- 3-membered, ?- 4-membered