6-[4-(3-amino-propyl)-piperazin-1-yl]-1,3-dimethyl-1H-pyrimidine-2,4-dione 、
对氟硝基苯 在
1,3-dimethyl-6-{2-[N-(2-benzoyloxyethyl)-3-(4-nitrophenyl)propylamino]ethylamino}-2,4(1H,3H)-pyrimidinedione 作用下,
以
二甲基亚砜 为溶剂,
反应 3.0h,
以to obtain 2.75 g of 1,3-dimethyl-6-{4-[3-(4-nitroanilino)propyl]piperazin-1-yl}-2,4(1H,3H)-pyrimidinedione (compound 58')的产率得到1,3-dimethyl-6-[4-(3-[4-nitroanilino]propyl)piperazin-1-yl]-2,4(1H,3H)-pyrimidinedione