diazooxides

https://doi.org/10.1351/goldbook.D01693
Diazocyclohexadienones, which may also be considered as dipolar diazonio phenoxides, obtained by diazotizing aromatic primary amines having a hydroxy group in an ortho or para position. Also known as diazophenols.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1332 [Terms] [Paper]