反应详情

A suspension of isobenzofuran-1,3(4H,7H)-dione (4.2 g, 28 mmol) in 45 mL toluene was heated at reflux and charged with hydrazine hydrate (1.63 mL, 33.6 mmol) dropwisely in a round bottom flask equipped with a condenser. The reaction mixture was heated at reflux for 2 h. The mixture was filtered to afford the titled compound a white solid (4.2 g, yield: 91%).

1. temperaturewas heated
2. temperatureat reflux
3. customequipped with a condenser
4. temperatureThe reaction mixture was heated
5. temperatureat reflux for 2 h
6. filtrationThe mixture was filtered