acyloxyl radicals

https://doi.org/10.1351/goldbook.A00127
Oxygen-centered radicals consisting of an acyl radical bonded to an oxygen atom. E.g.
A00127.png
.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1312 [Terms] [Paper]