反应详情

33.3 g of 6-amino-5-nitroso-1-propyl-2,4-(1H,3H)-pyrimidinedione (III) was catalytically hydrogenated in 800 ml of DMF in the presence of 0.1 g PtO2 for 3 hours at room temperature and at a pressure of 200 kPa. The catalyst and the crystals were filtered off and washed with ethanol. Yield 29 g (93%) (IV).

1. filtrationThe catalyst and the crystals were filtered off
2. washwashed with ethanol