ethyl 2-[[(3S)-2,3-dihydro-1,4-benzodioxin-3-yl]methylamino]-7-methyl-5-oxo-8-phenylpyrido[2,3-d]pyrimidine-6-carboxylate 在
一水合肼 作用下,
反应 18.0h,
生成 7-{[((2S)-2,3-dihydro-1,4-benzodioxin-2-yl)methyl]amino}-4-methyl-5-phenyl-2,5-dihydro-3H-pyrazolo[3′,4′:4,5]pyrido[2,3-d]pyrimidin-3-one