{3-[4-methoxy-5-(2-methoxy-phenoxy)-6-(5-methyl-pyridine-2-sulfonylamino)-pyrimidin-2-yl]-phenoxy}-acetic acid methyl ester 、
无水氯化钙 、
硼氢化钠 在
柠檬酸 、
乙酸乙酯 、
Sodium sulfate-III 、 silica gel 作用下,
以
Tetrahydrofuran ethanol 为溶剂,
反应 1.5h,
以Combination of the purified fractions and evacuation in vacuo afforded 5-methyl-pyridine-2-sulfonic acid [2-[3-(2-hydroxy-ethoxy)-phenyl]-6-methoxy-5-(2-methoxy-phenoxy)-pyrimidin-4-yl]-amide as a white solid的产率得到5-Methyl-pyridine-2-sulfonic acid [2-[3-(2-hydroxy-ethoxy)-phenyl]-6-methoxy-5-(2-methoxy-phenoxy)-pyrimidin-4-yl]-amide