Ethyl 3-[2-[tert-butyl(dimethyl)silyl]oxyethyl]-5-methyl-1-(naphthalen-2-ylmethyl)-2,4-dioxothieno[2,3-d]pyrimidine-6-carboxylate 在
氢氟酸 作用下,
以
乙腈 为溶剂,
以93%的产率得到ethyl 3-(2-hydroxyethyl)-5-methyl-1-(naphthalen-2-ylmethyl)-2,4-dioxo-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate