4-氯乙酰乙酸乙酯 、
4-(4-hydroxyphenyl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid methyl ester 以
乙醇 为溶剂,
反应 12.0h,
以75%的产率得到3-ethoxycarbonylmethyl-5-(4-hydroxyphenyl)-7-methyl-5H-thiazolo[3,2-a]pyrimidine-6-carboxylic acid methyl ester