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The mechanism of elimination of an H 2 O molecule in desmethylencecalin under electron impact
Author(s) -
Nakayama Mitsuru,
Eguchi Shizuko,
Hayashi Shûichi,
Tsukayama Masao,
Nakata Hisao
Publication year - 1979
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.1210141209
Subject(s) - fragmentation (computing) , metastability , molecule , ion , chemistry , electron ionization , mass spectrum , hydrogen , oxygen , labelling , electron , photochemistry , mechanism (biology) , computational chemistry , physics , organic chemistry , ionization , nuclear physics , biochemistry , computer science , operating system , quantum mechanics
The mass spectrum of desmethylencecalin has been measured and a fragmentation mechanism for the loss of a water molecule from the [MCH 3 ] + ion is proposed on the basis of isotope labelling and metastable peak observations. The eliminated water has been shown to involve the carbonyl oxygen and hydrogen atoms of the hydroxyl and acetyl groups.