cyclic acid anhydrides (cyclic anhydrides)

https://doi.org/10.1351/goldbook.C01492

acid anhydrides derived by loss of water between two oxoacid functions R_kE(=O)_l(OH)_m (l ≠ 0) (carboxylic, sulfonic, etc.) in the same molecule so as to close a ring. Oxo oxygen replacement analogues are included, e.g.

C01492.png

See: acid anhydrides, thioanhydrides

Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1329 (https://doi.org/10.1351/pac199567081307)