6-[(4-acetylphenyl)methyl]-3-benzhydryl-2-methyl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-4-one 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以70%的产率得到3-benzhydryl-6-[[4-(1-hydroxyethyl)phenyl]methyl]-2-methyl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-4-one