(S)-2-(1-((6-amino-5-(3,4-difluoro-5-methoxyphenyl)pyrimidin-4-yl)amino)ethyl)-5-methyl-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one 在
三溴化硼 作用下,
以
二氯甲烷 为溶剂,
以44%的产率得到(S)-2-(1-((6-amino-5-(3,4-difluoro-5-hydroxyphenyl)pyrimidin-4-yl)amino)ethyl)-5-methyl-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one