Ethyl 3-[3-[tert-butyl(dimethyl)silyl]oxypropyl]-5-methyl-2,4-dioxo-1-(2-phenylethyl)thieno[2,3-d]pyrimidine-6-carboxylate 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
以51%的产率得到ethyl 3-(3-hydroxypropyl)-5-methyl-2,4-dioxo-1-(2-phenylethyl)-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate