Synthesis and some reactions of 4H-pyrazole derivatives
✍ Scribed by Freeman, Jeremiah P.; Janiga, Eugene R.; Lorenc, John F.
- Book ID
- 126322816
- Publisher
- American Chemical Society
- Year
- 1977
- Tongue
- English
- Weight
- 428 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0022-3263
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract magnified image Compound of 4‐(ethoxycarbonyl)‐1,5‐diphenyl‐1__H__‐pyrazole‐3‐carboxylic acid **2** was obtained from the reaction of ethyl 4,5‐dioxo‐2‐phenyl‐4,5‐dihydrofuran‐3‐carboxylate and 1‐benzylidene‐2‐phenylhydrazine. A number of substitute pyrazole dicarboxylic acid derivative
## Abstract magnified image A series of pyrazolo [3,4‐d] pyrimidine, pyrazolo [1,5‐a] pyrimidine, and pyrazolyl triazoles have been prepared __via__ reaction of ethyl 5‐amino‐3‐phenylpyrazole‐4‐carboxylate with isothiocyanic esters, α,β‐unsaturated nitriles, and some active methylene reagents. J. H