HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Ethyl Acetoacetate → 1-Cyclopropyl-5-methyl-1H-pyrazole-4-carbaldehyde
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Ethyl Acetoacetate | HCID 8868 | — |
| Edukt | Oxalic acid--hydrazine (1/1) | HCID 14693824 | — |
| Edukt | 5-cyclopropyl-1-(propan-2-yl)-1H-pyrazole-4-carbaldehyde | HCID 19620135 | — |
| Produkt | 1-Cyclopropyl-5-methyl-1H-pyrazole-4-carbaldehyde | HCID 21097242 | — |
Reaktionsschritte
1-Cyclopropyl-5-methyl-1H-pyrazole-4-carbaldehyde was prepared with ethyl acetoacetate and cylclopropyl hydrazine oxalate (Gever, G. and Hayes, K. J. Org. Chem, 1949, 14, 813–818) in the same manner as 5-cyclopropyl-1-isopropyl-1H-pyrazole-4-carbaldehyde (Example 49).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US07214802B2 |
| Quelldatensatz | uspto-grants-2007_05 |
| ORD ID | ord-b58cc3307c954e3190a9400c623c9756 |
| Quellennotiz | uspto-grants-2007_05 |