N-甲基哌嗪 、 4-chloro-2-(methylthio)-7-(phenylmethyl)-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-5-carboxylic acid methyl ester 以
乙醇 为溶剂,
反应 1.0h,
以25%的产率得到4-(4-methyl-1-piperazinyl)-2-(methylthio)-7-(phenylmethyl)-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-5-carboxylic acid methyl ester