Organic Mass Spectrometry p. 830 - 836 (1989)
Update date:2022-08-04
Topics:
Wang, Jian
Smith, Richard W.
Fodor, Lajos
Maclean, David B.
The elctron impact mass spectra of several enamides have been examined.The enamides were prepared by reaction of aroyl halides with 6,7-dimethoxy-4-methyl-1,3-benzothiazin, and with 3,4-dihydro-6,7-dimethoxy-1-metylisoquinoline.The fragmentation pathways that have been proposed are supported by ion composition determinations and by mass-analysed ion kinetic energy spectrometry experiments carried out on the molecular ions and major fragment ions.The spectra are characterized by a loss of carbon monoxide from the molecular ion of each compound, a process which is accompanied by migration of the aryl group.
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