methyl 5-(4-{[(2S,4R)-4-[acetyl(4-chlorophenyl)amino]-2-methyl-3,4-dihydroquinolin-1(2H)-yl]carbonyl}-2-fluorophenyl)-2,2-dimethylpentanoate 、
sodium hydroxide 在
乙酸乙酯 、 Brine 、
magnesium sulfate 、 crude acid 、 silica gel 、
methanol-dichloromethane 作用下,
以
tetrahydrofuran methanol 、
水 为溶剂,
反应 8.0h,
以gave pure 5-(4-{[(2S,4R)-4-[acetyl(4-chlorophenyl)amino]-2-methyl-3,4-dihydroquinolin-1(2H)-yl]carbonyl}-2-fluorophenyl)-2,2-dimethylpentanoic acid (56 mg, 84%)的产率得到5-(4-{[(2S,4R)-4-[acetyl(4-chlorophenyl)amino]-2-methyl-3,4-dihydroquinolin-1(2H)-yl]carbonyl}-2-fluorophenyl)-2,2-dimethylpentanoic acid