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Elektronenstoßinduzierte Spaltung der Stilben-Doppelbindung; 2. Teil: Untersuchungen zum Mechanismus

URN to cite this document:
urn:nbn:de:bvb:355-epub-156587
DOI to cite this document:
10.5283/epub.15658
Mayer, K.K. ; Prior, S. ; Wiegrebe, Wolfgang
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Date of publication of this fulltext: 06 Jul 2010 08:44


Abstract

Electron impact ionization succeeded by a twofold 1,5-H-shift causes fission of the double bond in stilbenes with a β-aminoethyl-(1) or a β-phenylethyl-(4) sidechain in o-position leading to ions at m/z 278 and m/z 253, respectively. Deuteriation and analysis of metastable ions reveal formation of indene cations at m/z 175 after benzylic cleavage of the side chains in 1 and 4. The ...

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