HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Hydrazine → 6-Bromophthalazin-1(2h)-one
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Hydrazine | HCID 9321 | — |
| Edukt | 5-bromo-3-hydroxy-3H-isobenzofuran-1-one | HCID 14234842 | — |
| Lösungsmittel | Isopropanol | HCID 3776 | — |
| Produkt | 6-Bromophthalazin-1(2h)-one | HCID 11535918 | — |
Reaktionsschritte
5-Bromo-3-hydroxyphthalide (49 gm) was slurred in 200 ml isopropanol. Hydrazine (20 ml) was added and the mixture refluxed for 2 hours. The reaction mixture was allowed to cool and the product filtered off, washed with isopropanol and dried. The product weighed 46.8 gm and melted at 280°-283° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04769369 |
| Quelldatensatz | uspto-grants-1988_09 |
| ORD ID | ord-26892674c85c4488bb0acbd772a4af2f |
| Quellennotiz | uspto-grants-1988_09 |