Hydrazine hydrate (1:1) → 5-Bromo-1-naphthohydrazide

Beteiligte Stoffe

Reaktionsschritte

Methyl 5-bromo-1-naphthoate (D1) (5.32 g, 20 mmol) and hydrazine hydrate (5.7 ml, 100 mmol) were stirred at reflux in methanol (50 ml) for 48 h. After cooling, the solid was filtered off, washed with cold methanol, and dried in vacuo at 60° C., yielding the title compound (3.48 g, 65%) as a grey-brown crystalline powder.

Herkunft & Nachweise