5-(4-[2-propylguanidino]pyrimid-2-yl)valeramidine hydrochloride 、
钠 、
ethyl 2-formylbutanoate 在
水 、
乙酸乙酯 、
magnesium sulfate 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以to give 2-[4-(4-(2-propylguanidino]pyrimid-2-yl)butyl]-5-ethyl-4-hydroxypyrimidine as an oil (0.13 g.) which的产率得到2-[4-(4-[2-propylguanidino]pyrimid-2-yl)butyl]-5-ethyl4-hydroxypyrimidine