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Studies in organic mass spectrometry. XVI —A combined approach to the structures of ions generated from the molecular ions of acyclic β‐diketones through loss of small neutral molecules
Author(s) -
Conrath K.,
Van Sande C. De,
Vandewalle M.
Publication year - 1974
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210090607
Subject(s) - ketene , chemistry , ion , moiety , carbon monoxide , enol , mass spectrometry , molecule , metastability , polyatomic ion , photochemistry , organic chemistry , chromatography , catalysis
The structures of ions produced from acyclic 1,3‐diketones by loss of carbon monoxide, ketene or olefins are investigated. Structural inference is made by comparison of the heats of formation of these ions with data for ions of known structure generated from other precursors. All assignments are confirmed by a study of metastable transitions. Loss of carbon monoxide yields ions in the keto form. Expulsion of a ketene or olefin moiety results in enol type ions.