4-[6-(6-carboxymethyl-2-methyl-pyridin-3-ylamino)-5-methoxy-pyrimidin-4-yloxy]-piperidine-1-carboxylic acid isopropyl ester trifluoroacetate 在
lithium aluminium tetrahydride 、
水 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以19%的产率得到4-{6-[6-(2-hydroxy-ethyl)-2-methyl-pyridin-3-ylamino]-5-methoxy-pyrimidin-4-yloxy}-piperidine-1-carboxylic acid isopropyl ester