Lactone

A lactone is a cyclic ester in chemistry. It is the condensation product of an alcohol group and a carboxylic acid group in the same molecule. Prefixes may indicate the ring size: beta-lactone (4-membered), gamma-lactone (5-membered), delta-lactone (6-membered ring).

Examples

gamma-Butyrolactone (GBL):

Missing image
GBL_chemical_structure.png
Chemical structure of gamma-butyrolactone (GBL)

D-Glucono-delta-lactone (E575):

Missing image
Glucono-delta-lactone.gif
Chemical structure of D-Glucono-delta-lactone

See also


Template:Organic-compound-stubde:Lacton ja:ラクトン pl:Lakton

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