HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Pyridine → ethyl 3-methyl-1-(2-pyridyl)-1H-pyrazole-4-carboxylate
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Pyridine | HCID 1049 | — |
| Edukt | 2-Hydrazinopyridine | HCID 78645 | — |
| Edukt | Ethyl 2-formyl-3-oxobutanoate | HCID 14817199 | — |
| Lösungsmittel | Ethanol | HCID 702 | — |
| Produkt | ethyl 3-methyl-1-(2-pyridyl)-1H-pyrazole-4-carboxylate | HCID 9877977 | — |
Reaktionsschritte
Similar to Example 1, equimolar amounts of 2-pyridylhydrazine and 2-formyl-3-oxo-butyric acid ethyl ester were combined in a solution of 50% pyridine in ethanol. Analysis showed that the resulting solid was determined to be the named product (m.p. 49° C.-50° C.).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US06569885B1 |
| Quelldatensatz | uspto-grants-2003_05 |
| ORD ID | ord-f3260ebb21e640cf81a3576d5ee99384 |
| Quellennotiz | uspto-grants-2003_05 |