反应详情

2H-[1,2,4]Triazin-3,5-dione (100 g, 884 mmol) is placed in 600 ml of acetic anhydride at reflux for 1.5 h. The reaction mixture is subsequently concentrated to dryness and the solid obtained is triturated in toluene. After filtering and rinsing with toluene, 130.5 g of beige crystals are isolated.

1. temperatureat reflux for 1.5 h
2. concentrationThe reaction mixture is subsequently concentrated to dryness
3. customthe solid obtained
4. customis triturated in toluene
5. filtrationAfter filtering
6. washrinsing with toluene, 130.5 g of beige crystals
7. customare isolated