4-(3-chloro-4-fluoro-phenylamino)-5,7-dihydro-pyrrolo[2,3-d]pyrimidin-6-one 、
2-氯-4-羟基苯甲醛 在
哌啶 乙醇 作用下,
以
乙醇 为溶剂,
反应 4.0h,
以to provide pure 4-(3-chloro-4-fluoro-phenylamino)-5-[-(2-chloro-4-hydroxy-phenyl)-methylidene]-5,7-dihydro-pyrrolo[2,3-d]pyrimidin-6-one的产率得到4-(3-CHLORO-4-FLUORO-PHENYLAMINO)-5-[1-(2-CHLORO-4-HYDROXY-PHENYL)-METHYLIDENE]-5,7-DIHYDRO-PYRROLO [2,3-D ]PYRIMIDIN-6-ONE