2-chloro-5-fluoro-N4-(3-oxo-2H,4H-benzo[1,4]thiazin-6-yl)-4-pyrimidineamine 、
3-hydroxy-4,5-dimethoxyaniline hydrochloride 以
乙醇 为溶剂,
反应 1.0h,
以43%的产率得到5-fluoro-N2-(3-hydroxy-4,5-dimethoxyphenyl)-N4-[3-oxo-benzo[1,4]thiazin-6-yl]-2,4-pyrimidinediamine