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Electrospray mass spectrometry of stable iminyl nitroxide and nitronyl nitroxide free radicals
Craig D Smith1, John P Bartley, Steven E Bottle
1CIDC, School of Physical Sciences, Queensland University of Technology, GPO Box 2434, Brisbane, Queensland 4001, Australia.
Journal of Mass Spectrometry : JMS
|September 25, 2002
Abstract:
Electrospray ionization (ESI) mass spectra have been recorded for a range of substituted nitronyl nitroxide and iminyl nitroxide monoradicals and biradicals. Secondary species formed in the ESI source were observed as the dominant ions in both the iminyl nitroxide and nitronyl nitroxide spectra. Daughter ion spectrometry was used to establish fragmentation mechanisms for the nitronyl nitroxide and iminyl nitroxide moieties as well as the secondary species under ESI conditions.