Ethyl 2-[6-(4-butanoylphenyl)-5-methyl-1-[(2-methylsulfanylphenyl)methyl]-2,4-dioxothieno[2,3-d]pyrimidin-3-yl]acetate 在
sodium hydroxide 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 1.5h,
以50%的产率得到2-[6-(4-Butanoylphenyl)-5-methyl-1-[(2-methylsulfanylphenyl)methyl]-2,4-dioxothieno[2,3-d]pyrimidin-3-yl]acetic acid