Compounds consisting of two acyl groups
bonded to the same oxygen atom acyl-O-acyl. Symmetric and mixed anhydrides
have identical and different acyl groups
, respectively. E.g.
acetic benzenesulfonic anhydride,
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995))
on page 1311