(S)-2-(1-((5-((2-Methoxyphenyl)thio)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)ethyl)-5-methyl-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one 、
三溴化硼 、
氨 在
ethyl acetate dichloromethane 作用下,
以
二氯甲烷 为溶剂,
以to obtain 23 mg (47% yield, 90% purity) of the title compound的产率得到(S)-2-(1-((5-((2-hydroxyphenyl)thio)-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)ethyl)-5-methyl-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one