HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
5-Amino-4-cyanopyrazole → 6-Methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 5-Amino-4-cyanopyrazole | HCID 85515 | — |
| Edukt | 3-Ethoxy-2-methyl-2-propenal | HCID 559198 | — |
| Produkt | 6-Methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile | HCID 15042080 | — |
Reaktionsschritte
By the procedure described in Example 2, 5.40 g of 5-amino-4-pyrazolecarbonitrile is reacted with 5.70 g of 3-ethoxy-2-methylacrolein in 25 ml of glacial acid to give the desired product as colorless prisms, mp 193°-194° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05059691 |
| Quelldatensatz | uspto-grants-1991_10 |
| ORD ID | ord-04ca890444c0418aa03cb4be0391b94c |
| Quellennotiz | uspto-grants-1991_10 |