反应详情

4-Nitro-isobenzofuran-1,3-dione (10.0 g, 51.8 mmol) in 50 mL of anhydrous MeOH was heated to reflux under N2 overnight. The mixture was cooled to RT, poured into ice-cold water, and the precipitates were collected by filtration, then dried to give the titled compound as a white solid.

1. temperatureto reflux under N2 overnight
2. additionpoured into ice-cold water
3. filtrationthe precipitates were collected by filtration
4. customdried