Synthèse de la dihydroxy-2,4-triazine-1,3,5 (allantoxaïdine)
✍ Scribed by I. Flament; R. Promel; R. H. Martin
- Publisher
- John Wiley and Sons
- Year
- 1959
- Tongue
- German
- Weight
- 276 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Abstract
A simple and unambiguous synthesis of 2,4‐dihydroxy‐l,3,5‐triazine (VI) has been devised starting from cyanuric chloride. 2,4‐Dihydroxy‐l, 3,5‐triazine is identical with allantoxaidin (IV) obtained by alkaline oxidation of uric acid.
📜 SIMILAR VOLUMES
Four 2,4‐disubstituted 6,7‐dihydro‐imidazo[**1**,2−a]‐s‐triazines (IV, VII, X and XV) have been synthesized according to the following scheme: (a) monosubstitution of cyanuric chloride (I) with ethanolamine, (b) replacement of the remaining chlorine atomes by suitable groupe, and (c) cyclisation of
## Abstract Several new 5‐aryl‐2,3,4,5‐tetrahydrobenzo[f]1,4‐oxazepine derivatives (1 to 18) were prepared by reduction of the 2,3‐dihydro compounds. Adams platinium was a suitable catalyst for hydrogenation. With other catalysts, reduction of a nitro group or debenzylation may occur before the alt
## Abstract Several new 5‐aryl‐2,3‐dihydrobenzo [f] 1,4‐oxazepine derivatives (10) to 25) were obtained in high yields by cyclodehydration of N‐phenoxyalkylbenzamides derivatives (26 to 41).