Electron impact mass spectrometry of some 3-substituted 1,2,3,4-tetrahydroisoquinolines
✍ Scribed by Adriana F. Ibañez; Graciela Y. Moltrasio Iglesias
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 159 KB
- Volume
- 26
- Category
- Article
- ISSN
- 1076-5174
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✦ Synopsis
956, (1 11 3) Capital Federal, Argentina
The electron impact mass spectral fragmentation of a series of 3-substituted-1,2,3,4-tetrahydroisoquinolinc~ are reported. The principal fragmentation modes of these compounds comply with the main generalizations reacbed earlier with simpler systems. Complete aromatizations to form the isoquinolinium ion are observed only for compounds 5 and 7 and no retro-Diels-Alder cleavage is observed when R' is a benzyl goup.
📜 SIMILAR VOLUMES
## Abstract The electron impact ionization mass spectra of dipyrido [1,2‐__a__:4,3‐__d__]pyrimidinones are strongly influenced by the degree of aromaticity of the fused rings. The molecular ions of the compounds are fairly stable. The main routes of fragmentation involve formation of the [M – H]^+^