6-{[2,6-dichloro-4-(difluoroacetyl)phenyl]amino}pyrido[4,3-c]-1,6-naphthyridin-10(9H)-one 、 6-{[2,6-dichloro-4-(2,2-difluoro-1-hydroxy-1-methoxyethyl)phenyl]amino}pyrido[4,3-c]-1,6-naphthyridin-10(9H)-one 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
生成
6-({2,6-dichloro-4-[(1S)-2,2-difluoro-1-hydroxyethyl]phenyl}amino)pyrido[4,3-c]-1,6-naphthyridin-10(9H)-one 、
6-({2,6-dichloro-4-[(1R)-2,2-difluoro-1-hydroxyethyl]phenyl}amino)pyrido[4,3-c]-1,6-naphthyridin-10(9H)-one