反应详情

温度

100 °C

30 g (0.155 mol) of 3-nitrophthalic anhydride are introduced in portions into 180 ml of conc. ammonium solution and the resulting solution is heated at 100° C. with stirring for 45 min. The mixture is evaporated in a rotary evaporator and co-distilled twice with toluene, and the residue is dried in a high vacuum. It is stirred with EA, and the beige precipitate is filtered off with suction and dried in vacuo over P2O5. 31.8 g of the title compound are obtained.

1. customThe mixture is evaporated in a rotary evaporator
2. customthe residue is dried in a high vacuum
3. stirringIt is stirred with EA
4. filtrationthe beige precipitate is filtered off with suction
5. dry with materialdried in vacuo over P2O5