HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
3-(Dimethylamino)-1-phenyl-2-propen-1-one → 7-Phenylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 3-(Dimethylamino)-1-phenyl-2-propen-1-one | HCID 353460 | — |
| Edukt | HCID 178469928 | HCID 178469928 | — |
| Lösungsmittel | Acetic Acid | HCID 176 | — |
| Produkt | 7-Phenylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester | HCID 11230936 | — |
Reaktionsschritte
A mixture of 17.5 g. of 3-dimethylaminoacrylophenone and 15.52 g. of 3-amino-4-carbethoxypyrazole in 50 ml. of glacial acetic acid is refluxed for 4 hours and then evaporated. The residue is treated as described in Example 1, giving the desired product, m.p. 129°-130° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04236005 |
| Quelldatensatz | uspto-grants-1980_11 |
| ORD ID | ord-d4b984218db043e29cad7a1d222907ff |
| Quellennotiz | uspto-grants-1980_11 |