3-[(2-methyl-4-oxo-4H-chromen-8-yl)methylene]pentane-2,4-dione 、
2,4-二氨基-6-羟基嘧啶 在
氩 、
异丙醇 作用下,
以
异丙醇 为溶剂,
反应 48.0h,
以660 mg (94% of theory) of the title compound are obtained as a white solid的产率得到8-(6-acetyl-2-amino-4-hydroxy-7-methyl-5,8-dihydropyrido[2,3-d]-pyrimidin-5-yl)-2-methyl-4H-chromen-4-one