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Studies in organic mass spectrometry—IX: The fragmentation of alkylsubstituted 1,3‐cyclopentanediones
Author(s) -
Cant E.,
Vandewalle M.
Publication year - 1971
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.1210051009
Subject(s) - fragmentation (computing) , mass spectrum , chemistry , polyatomic ion , mass spectrometry , alkyl , enol , ion , electron ionization , ring (chemistry) , ionization , spectral line , medicinal chemistry , analytical chemistry (journal) , photochemistry , organic chemistry , chromatography , physics , catalysis , computer science , operating system , astronomy
The mass spectra of 2‐ and 4‐substituted 1,3‐cyclopentanediones are discussed. Methyl substituted compounds display mostly ring degradation, while for longer alkyl groups fragmentations in the side chain are responsible for most of the total ionization. As was found for other 1,3‐diketones the spectra of 1,3‐cyclopentanediones show typical and separate fragmentations for both diketoand enol‐molecular ions.