Pyrimidine derivatives and related compounds VI. A novel synthesis of 3,5-diacetamidopyrazole and of 2-aminopyrazolo [1,5-α] pyrimidines
✍ Scribed by Mohamed Hilmy Fanagdi; Ezzat Mohamed Kandeel; Ezzat Mohamed Zayed; Zaghtoul Flshahat Kandil
- Book ID
- 112123979
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1977
- Tongue
- English
- Weight
- 147 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0022-152X
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📜 SIMILAR VOLUMES
## Abstract 3,5‐Diamino‐4‐phenylazo‐pyrazoles (**1a–1c**) react with acetylacetone and with ethyl acetoacetate to yield the corresponding pyrazolo[1,5‐a]pyrimidine derivatives **2a–2c** and **3a–3c**, respectively. Whereas **1a–1c** add readily to methyl acrylate yielding the 4,5,6,7‐tetrahydropyr
## Abstract In an attempt to discover novel compounds with high herbicidal activity and low toxicity, a series of novel 1,2,4‐triazolo[1,5‐a]pyrimidine derivatives, α‐(5,7‐dimethyl‐1,2,4‐triazolo[1,5‐a]pyrimidine‐2‐thio)acetamides **3** and α‐(5,7‐dimethyl‐1,2,4‐triazolo[1,5‐a]pyrimidine‐2‐sul‐fony
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