反应详情

The above amine (1.5 g, 7.35 mmol) was stirred in acetic anhydride (9 mL) at room temperature for 3 h, then poured on to ice. The precipitate was filtered, washed with water and dried to give 7-acetamido-4,4-dimethyl-2H,4H-isoquinoline-1,3-dione (1.55 g, 86%)

1. additionpoured on to ice
2. filtrationThe precipitate was filtered
3. washwashed with water
4. customdried