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A Convenient Synthesis of 3-Behzyl, 3-Benzyl-4-Substituted Coumarins and Their Benzo Derivatives

✍ Scribed by Britto, Nirmala; Gore, Vinayak G.; Mali, R. S.; Ranade, A. C.


Book ID
121374230
Publisher
Taylor and Francis Group
Year
1989
Tongue
English
Weight
348 KB
Volume
19
Category
Article
ISSN
0039-7911

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Mass spectrometry of 3-substituted 4-hyd
✍ 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