反应详情

H2O2 (37%, 7.7 mL, 0.075 mol) in H2O (70 mL) is slowly added to the solution of 6-Bromo-7-methoxy-1H-indole-2,3-dione (8.0 g, 0.0312 mol), NaOH (8.8 g, 0.219 mol) in H2O (200 mL) then stirred at room temperature for 1 hour. After reaction, the mixture is filtered and the solid is dried under vacuum to give the desired product.

1. customAfter reaction
2. filtrationthe mixture is filtered
3. customthe solid is dried under vacuum