ethyl [2-(3-azabicyclo[3.3.0]oct-3-yl-amino)-6-(2-methylphenyl)-7-oxopyrido[2,3-d]pyrimidin-8(7H)-yl]acetate 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 、
乙醇 为溶剂,
生成 6-(2-methylphenyl)-2-(3-azabicyclo[3.3.0]oct-3-yl-amino)-8-(2-hydroxyethyl)pyrido[2,3-d]pyrimidin-7(8H)-one