(R)-1-piperidin-4-yl-5-m-tolyl-imidazolidin-2-one 、
[4-(5-formyl-6-methyl-pyridin-2-yloxy)-phenoxy]-acetic acid tert-butyl ester 、
三乙酰氧基硼氢化钠 在
crude material 、 silica gel 、
甲醇乙酸乙酯 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以to afford (R)-(4-{6-methyl-5-[4-(2-oxo-5-m-tolyl-imidazolidin-1-yl)-piperidin-1-ylmethyl]-pyridin-2-yloxy}-phenoxy)-acetic acid tert-butyl ester as a white solid (56 mg, 63%)的产率得到(R)-(4-{6-methyl-5-[4-(2-oxo-5-m-tolyl-imidazolidin-1-yl)-piperidin-1-ylmethyl]-pyridin-2-yloxy}-phenoxy)-acetic acid tert-butyl ester