Compounds having the structure
; they are radicals
derived from hydroxylamines
by removal of the hydrogen atom from the hydroxy group, and are in many cases isolable.
The synonymous terms 'nitroxyl radicals
' and 'nitroxides
' erroneously suggest the presence of a nitro group; their use is not desirable. E.g.
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1317
PAC, 1993, 65, 1357
(Revised nomenclature for radicals, ions, radical ions and related species (IUPAC
on page 1357