(S)-ethyl 6-bromo-1-(1-(2-(diethylamino)ethyl)piperidin-3-yl)-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate 、
联硼酸频那醇酯 在
bis-triphenylphosphine-palladium(II) chloride
potassium acetate 、
三乙胺 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.0h,
以80%的产率得到(S)-8-(1-(2-(diethylamino)ethyl)piperidin-3-yl)-6-(ethoxycarbonyl)-5-oxo-5,8-dihydro-1,8-naphthyridin-3-ylboronic acid