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Unimolecular ethyl loss from metastable 13 C labelled [C 5 H 10 O] +˙ ions with the oxygen on the middle carbon: An example for incomplete energy randomization?
Author(s) -
Depke Gisbert,
Schwarz Helmut
Publication year - 1981
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.1210160913
Subject(s) - radical , isomerization , chemistry , enol , carbon fibers , oxygen , ion , photochemistry , medicinal chemistry , organic chemistry , materials science , catalysis , composite number , composite material
The investigation of 13 C labelled 3‐pentanone cation radicals generated via isomerization of the corresponding [C 5 H 10 O] +˙ enol cation radicals demonstrates unambiguously that, in contrast to previous investigations, unimolecular ethyl loss from 13 C labelled 3‐pentanone cation radicals is preceded by complete energy randomization.