6-Ethyl-2-methyl-3-(4-oxo-cyclohexa-2,5-dienylideneamino)-3H-thieno[2,3-d]pyrimidin-4-one; compound with acetic acid 在
sodium disulfite 作用下,
以
1,4-二氧六环 为溶剂,
反应 0.25h,
以83.9%的产率得到6-Ethyl-3-(4-hydroxy-phenylamino)-2-methyl-3H-thieno[2,3-d]pyrimidin-4-one