Organic Mass Spectrometry p. 317 - 325 (1992)
Update date:2022-08-11
Topics:
Flammang, R.
Plisnier, M.
Bouchoux, G.
Hoppilliard, Y.
Humbert, S.
Wentrup, C.
Molecular radical cations of oxazole (1) and isoxazole (2) dissociate by losing carbon monoxide or a hydrogen atom, respectively.These fragmentations were examined by use of tandem mass spectrometry, flash vacuum pyrolysis and ab initio molecular orbital calculations.A multi-step mechanism is proposed which incorporates these new experimental and theoretical data.The case of methylated homologues of 1 and 2 is also considered.
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