Reactions with 3-amino-1,2,4-triazole: Synthesis of several new 1,2,4-triazolo[5,1-a]pyrimidine derivatives
✍ Scribed by Bahia Y. Riad; Abdou O. Abdelhamid
- Book ID
- 112915176
- Publisher
- Springer
- Year
- 1989
- Tongue
- English
- Weight
- 260 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0253-6269
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract **Dedicated to Dr. János Császár on the occasion of his 70^th^ birthday** Ring transformation of 2‐cyanoimido‐3‐methyl‐1,3‐oxazolidine (**10**) yielded 5‐amino‐3‐[__N__‐(2‐hydrox‐yethyl)‐__N__‐methyl]amino‐1__H__‐1,2,4‐triazole (**6**) that was ring closed with different β‐keto esters
## Abstract The 7‐chloro‐3‐(2‐chlorobenzyl)‐ and 7‐chloro‐3‐(2‐fluorobenzyl)‐1,2,3‐triazolo[4,5‐__d__]pyrimidines (**1** and **4**), by nucleophilic replacement with some hydrazides, gave the corresponding 7‐hydrazidoderivatives (**2a‐e** and **5a‐e**). These, by heating in Dowtherm, underwent an i