(S)-(2-Chloro-phenyl)-[6-(2,4-difluoro-phenoxy)-2-fluoro-4-(2-hydroxy-propylamino)-pyridin-3-yl]-methanone 、
肼 以to afford 148 mg of (S)-1-[3-(2-Chloro-phenyl)-6-(2,4-difluoro-phenoxy)-1H-pyrazolo[3,4-b]pyridin-4-ylamino]-propan-2-ol的产率得到(S)-1-[3-(2-chlorophenyl)-6-(2,4-difluorophenoxy)-1H-pyrazolo[3,4-b]pyridin-4-ylamino]propan-2-ol