3-[4-(4-chloro-5,7-diethyl-2-oxo-2H-[1,6]naphthyridin-1-ylmethyl)-2-methyl-phenyl]-5-methyl-thiophene-2-sulfonic acid (4,5-dimethyl-isoxazol-3-yl)-(2-methoxy-ethoxymethyl)-amide 、
sodium ethanolate 在
水 、
乙酸乙酯 、 Brine 、
Sodium sulfate-III 作用下,
以
乙醇 为溶剂,
反应 1.0h,
以to give 700 mg of 3-[4-(4-Ethoxy-5,7-diethyl-2-oxo-2H-[1,6]naphthyridin-1-ylmethyl)-2-methyl-phenyl]-5-methyl-thiophene-2-sulfonic acid (4,5-dimethyl-isoxazol-3-yl)-(2-methoxy-ethoxymethyl)-amide as oil的产率得到3-[4-(4-ethoxy-5,7-diethyl-2-oxo-2H-[1,6]naphthyridin-1-ylmethyl)-2-rnethyl-phenyl]-5-methyl-thiophene-2-sulfonic acid (4,5-dimethyl-isoxazol-3-yl)-(2-methoxy-ethoxymethyl)-amide