(2S,4R)-methyl 4-((Z)-((R)-2-amino-7-(4-fluoro-2-(6-methoxypyridin-2-yl)phenyl)-4-methyl-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-ylidene)aminooxy)pyrrolidine-2-carboxylate 在
lithium aluminium tetrahydride 、
sodium hydroxide 、
水 作用下,
以
乙醚 为溶剂,
反应 1.0h,
以32%的产率得到(R,Z)-2-amino-7-(4-fluoro-2-(6-methoxypyridin-2-yl)phenyl)-4-methyl-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one O-(3R,5S)-5-(hydroxymethyl)pyrrolidin-3-yloxime