HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Ethylamine → N-Ethyl-1-methyl-1H-pyrazole-4-carboxamide
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Ethylamine | HCID 6341 | — |
| Edukt | 1-Methyl-1H-pyrazole-4-carboxylic acid | HCID 643160 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | N-Ethyl-1-methyl-1H-pyrazole-4-carboxamide | HCID 19474722 | 54,7% |
Reaktionsschritte
N-Ethyl-1-methyl-1H-pyrazole-4-carboxamide was prepared from 1-methyl-1H-pyrazole-4-carboxylic acid and 70% ethylamine in water using the methods of steps a and b of Example 248. The product was purified by flash chromatography with 10% ethyl acetate-hexane and recovered as a white solid in 54.7% yield. m.p. 103°-106° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05834447 |
| Quelldatensatz | uspto-grants-1998_11 |
| ORD ID | ord-22a62a755d6b46f98bba54c6d713af6c |
| Quellennotiz | uspto-grants-1998_11 |