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Rearrangement of molecular ions following electron impact: IV—Origin of the [M—28] + ˙ ions in the mass spectra of α‐methyl‐2‐decalone
Author(s) -
Jaudon Pascale,
Tabet JeanClaude
Publication year - 1980
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.1210150203
Subject(s) - electron ionization , ion , mass spectrum , spectral line , dissociation (chemistry) , kinetic energy , ionization , mass spectrometry , chemistry , electron , collision induced dissociation , polyatomic ion , atomic physics , analytical chemistry (journal) , physics , tandem mass spectrometry , nuclear physics , chromatography , organic chemistry , quantum mechanics , astronomy
The transposition of the molecular ions (ring contraction) of 2‐decalones is demonstrated by a study of the [M–28] + ˙ peak and its homologue in labelled products using ionization and appearance energy measurements, and mass analysed ion kinetic energy and collision induced dissociation spectra.