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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 278990Erstellt: 26. Oktober 2026

1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 6-bromo- → 6-bromo-2-hydroxy-1H-benzo[de]isoquinoline-1,3(2H)-dione

https://huagongshe.com/reaction/278990

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 6-bromo-HCID 66493—
EduktHydroxyamine hydrochlorideHCID 443297—
LösungsmittelPyridineHCID 1049—
Produkt6-bromo-2-hydroxy-1H-benzo[de]isoquinoline-1,3(2H)-dioneHCID 70842982,6%

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

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS06362181B1
Quelldatensatzuspto-grants-2002_03
ORD IDord-a4e31146847a4702a07195a452290673
Quellennotizuspto-grants-2002_03