Experimental and Theoretical Studies on the Functionalization Reactions of 4-Benzoyl-1,5-Diphenyl-1H-Pyrazole-3-Carboxylic Acid and Acid Chloride with 2,3-Diaminopyridine
✍ Scribed by Yıldırım, Ismail; Kandemirli, Fatma; Demir, Elif
- Book ID
- 121469485
- Publisher
- Molecular Diversity Preservation International
- Year
- 2005
- Tongue
- English
- Weight
- 317 KB
- Volume
- 10
- Category
- Article
- ISSN
- 1420-3049
- DOI
- 10.3390/10030559
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📜 SIMILAR VOLUMES
## Abstract The 1__H__‐pyrazole‐3‐carboxylic acid 2 or its remarkably stable acid chloride 3 can easily be converted into the corresponding ester or amide derivatives 4 or 5, respectively, from reaction with alcohols or __N__‐nucleophiles. Pyrazolo[3,4‐__d__]pyridazines 6a,b are obtained from cyclo
## Abstract magnified image 1,5‐Diphenyl‐1__H__‐pyrazole‐3,4‐dicarboxylic acid‐4‐ethyl ester **2**, obtained from the 4‐ethoxycarbonyl‐5‐phenyl‐2,3‐furandione **1** and __N__‐benzylidene‐__N__′‐phenyl hydrazine, was converted __via__ reactions of its acid chloride **3** with various alcohols or N‐