𝔖 Bobbio Scriptorium
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Mass Extinctions and Their Aftermathby A. Hallam; P. B. Wignall

✍ Scribed by Review by: Jeff Levinton

Book ID
124476528
Publisher
University of Chicago Press
Year
1999
Tongue
English
Weight
82 KB
Volume
74
Category
Article
ISSN
0033-5770

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πŸ“œ SIMILAR VOLUMES

Mass spectrometry of 3-substituted 4-hyd
Mass spectrometry of 3-substituted 4-hydroxyisoquinolines and their derivatives
✍ P. B. Terent'ev; N. P. Lomakina; A. N. Kost πŸ“‚ Article πŸ“… 1976 πŸ› John Wiley and Sons 🌐 English βš– 503 KB

## Abstract Under electron impact, 3‐aryl‐4‐hydroxyisoquinolines form [M – H]^+^, [M – CO]^+^ and [M – H – CO]^+^ ions with a subsequent elimination of HCN or CH~3~CN. A cyclic structure for the [M – H]^+^ ion is suggested. The primary act of fragmentation of the corresponding methyle ether derivat