(S)-4-Amino-6-((1-(5-((3-methoxyphenyl)thio)-4-oxo-3-phenyl-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)ethyl)amino)pyrimidine-5-carbonitrile 、
三溴化硼 以
二氯甲烷 为溶剂,
以to give 33 mg (49% yield) as a solid的产率得到(S)-4-amino-6-((1-(5-((3-hydroxyphenyl)thio)-4-oxo-3-phenyl-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)ethyl)amino)pyrimidine-5-carbonitrile