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J Am Soc Mass Spectrom. 2005 Apr;16(4):515-23.

Fragmentations and reactions of the organophosphate insecticide Diazinon and its oxygen analog Diazoxon studied by electrospray ionization ion trap mass spectrometry.

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1
Department of Chemistry, Southampton University, Southampton, United Kingdom.

Abstract

The fragmentations and reactions of Diazinon and related compounds have been studied by electrospray ionization ion trap mass spectrometry. Several novel fragmentation and rearrangements have been observed, including an intramolecular thiono-thiolo rearrangement. The stability, in the gas-phase, of the protomers of 2-isopropyl-4-methyl-6-pyrimidinol has been demonstrated. The complexity of the gas phase ion processes observed suggest that, at present, caution should be exercised in using this approach for the analysis of environmental and other samples until our understanding of these processes increases considerably.

PMID:
15792720
DOI:
10.1016/j.jasms.2004.12.013
[Indexed for MEDLINE]
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