、
5,6-difluoro-N-((1S)-1-(5-fluoropyrimidin-2-yl)ethyl)-3-nitropyridin-2-amine 、
5-甲氧基-1H-吡唑-3-胺 在
3-fluoro-N6-((1S)-1-(5-fluoropyrimidin-2-yl)ethyl)-N2-(5-methoxy-1H-pyrazol-3-yl)-5-nitropyridine-2,6-diamine 、
乙酸乙酯 、 hexanes 作用下,
以to provide the title compound as a yellow solid (586 mg, 30% isolated yield)的产率得到3-fluoro-N6-((1S)-1-(5-fluoropyrimidin-2-yl)ethyl)-N2-(5-methoxy-1H-pyrazol-3-yl)-5-nitropyridine-2,6-diamine