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Electron ionisation induced fragmentation of fused norbornene analogues containing SiMe 2 or GeMe 2 and oxygen bridges. Migration of SiMe 2 and GeMe 2 groups
Author(s) -
EckertMaksić Mirjana,
Kazazić Sas̆a,
Kazazić Snjez̆ana,
Kirin Srećko I.,
Klasinc Leo,
Srzić Dunja,
Z̆igon Dus̆an
Publication year - 2001
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/rcm.256
Subject(s) - chemistry , norbornene , fragmentation (computing) , electron ionization , ion , mass spectrometry , mass spectrum , ionization , polymer , organic chemistry , polymerization , chromatography , computer science , operating system
The main electron ionisation induced fragmentation processes of fused norbornene analogues containing SiMe 2 or GeMe 2 and oxygen bridges, as well as their dependence on substitution, were investigated using mass (MS) and tandem mass (MS/MS) spectrometric analysis. Formation of the rearrangement ions of m/z 176 in the mass spectra of fused norbornene analogues containing SiMe 2 and m/z 222 in the mass spectrum of norbornene analogues containing GeMe 2 provides firm evidence for the migration of a SiMe 2 and GeMe 2 bridge, respectively. Copyright © 2001 John Wiley & Sons, Ltd.