N2-[1-(3,5-difluoropyridin-2-yl)ethyl]-N4-(1-methyl-1H-imidazol-4-yl)pyrido[2,3-d]pyrimidine-2,4-diamine trifluoroacetate 在
二乙胺 作用下,
以
甲醇 、
乙醇 、
正己烷 为溶剂,
生成 N2-[(1R)-1-(3,5-difluoropyridin-2-yl)ethyl]-N4-(1-methyl-1H-imidazol-4-yl)pyrido[2,3-d]pyrimidine-2,4-diamine 、
N2-[(1S)-1-(3,5-difluoropyridin-2-yl)ethyl]-N4-(1-methyl-1H-imidazol-4-yl)pyrido[2,3-d]pyrimidine-2,4-diamine