Unimolecular dissociations of the [2-hexanone]+˙ metastable ion

Unimolecular dissociations of the [2-hexanone]+˙ metastable ion

The metastable molecular ion of 2‐hexanone loses a methyl radical mainly (∼80%) from positions C(4) and C(6), in equal proportions, as indicated by 13C labelling. The necessary skeletal rearrangement of the butyl chain is interpreted in terms of a 1,2‐[enol‐olefin] +˙ shift. The results and the mech...

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Veröffentlicht in:Organic Mass Spectrometry 1987-07, Vol.22 (7), p.451-457
Hauptverfasser: Bouchoux, Guy, Tortajada, Jeanine, Dagaut, Jacques, Fillaux, Joëlle
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Sprache:eng
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Chemistry
Exact sciences and technology
Mass spectrometry
Organic chemistry
Reactivity and mechanisms
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container_end_page 457
container_issue 7
container_start_page 451
container_title Organic Mass Spectrometry
container_volume 22
creator Bouchoux, Guy
Tortajada, Jeanine
Dagaut, Jacques
Fillaux, Joëlle
description The metastable molecular ion of 2‐hexanone loses a methyl radical mainly (∼80%) from positions C(4) and C(6), in equal proportions, as indicated by 13C labelling. The necessary skeletal rearrangement of the butyl chain is interpreted in terms of a 1,2‐[enol‐olefin] +˙ shift. The results and the mechanisms concerning the minor eliminations of C2H4, C2H5˙, C3H5˙ and C3H6 neutrals are also discussed.
doi_str_mv 10.1002/oms.1210220712
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subjects Chemistry
Exact sciences and technology
Mass spectrometry
Organic chemistry
Reactivity and mechanisms
title Unimolecular dissociations of the [2-hexanone]+˙ metastable ion
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