hexane-2,3,4-trione-3-oxime 、
DL-正缬氨酸 、
1-(5-甲基-2-丙基-1H-咪唑-4-基)乙酮 在
sodium hydroxide 作用下,
以
正丁醇 为溶剂,
反应 6.25h,
以gave 0.29 moles (48% yield based on recovered amino acid) of 4-methyl-5-propinoyl-2-propylimidazole and 5-acetyl-4-methyl-2-propylimidazole (87:13 respectively)的产率得到4-Methyl-5-propinoyl-2-propylimidazole