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

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