(S)-ethyl 4-(2-(5-chloro-4-oxo-3-phenyl-3,4-dihydropyrrolo[1,2-f][1,2,4]triazin-2-yl)azetidin-1-yl)-6-methyl-2-(methylthio)pyrimidine-5-carboxylate 以
乙醇 、
N,N-二甲基甲酰胺 为溶剂,
生成 (S)-4-(2-(5-chloro-4-oxo-3-phenyl-3,4-dihydropyrrolo[1,2-f][1,2,4]triazin-2-yl)azetidin-1-yl)-6-methyl-2-(methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one