HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 6-bromo- → 6-bromo-2-hydroxy-1H-benzo[de]isoquinoline-1,3(2H)-dione
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 6-bromo- | HCID 66493 | — |
| Edukt | Hydroxyamine hydrochloride | HCID 443297 | — |
| Lösungsmittel | Pyridine | HCID 1049 | — |
| Produkt | 6-bromo-2-hydroxy-1H-benzo[de]isoquinoline-1,3(2H)-dione | HCID 708429 | 82,6% |
Reaktionsschritte
4-Bromo-1,8-naphthalic anhydride (1.6 g, 5.8 mmol) and hydroxylamine hydrochloride (0.8 g, 11.5 mmol) were reacted in pyridine (30 mL) following the procedure of Example 1 to give 1.4 g of the title compound, mp 248-251 ° C.;
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US06362181B1 |
| Quelldatensatz | uspto-grants-2002_03 |
| ORD ID | ord-a4e31146847a4702a07195a452290673 |
| Quellennotiz | uspto-grants-2002_03 |