Stereoisomeric cisand trans-1-butyl-3-dimethylaminocyclohexanols have been previously reported to exhibit different electron impact (EI) mass spectra. The m/z 100 ion is obtained only from the cis-isomer. The [ C 6 H 14 N ] results of a collision-induced dissociation study are inconsistent with the
Fragmentation of IsomericN-Quinolinylphthalimides on Electron Impact Ionization
β Scribed by Weisz, Adrian; Andrzejewski, Denis; Mandelbaum, Asher
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 303 KB
- Volume
- 31
- Category
- Article
- ISSN
- 1076-5174
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β¦ Synopsis
The isomeric 2, 3-, 5, 6-and 8-quinolinylphthalimides give rise to different electron impact ionization mass spectra, which permit easy distinction. The specific fragmentation processes are rationalized in terms of proximity effects and stabilization of cyclic ion structures. Collision-induced dissociation spectra were used to support the proposed ion structures of major fragment ions.
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