ethyl 3-[4-(2-methylprop-2-enyl)-2,5-dioxo-1-propylimidazolidin-4-yl]propanoate 、 alkaline earth salt of/the/ methylsulfuric acid 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
以100%的产率得到ethyl 3-[3-allyl-4-(2-methylprop-2-enyl)-2,5-dioxo-1-propylimidazolidin-4-yl]propanoate