Methyl 4-(4-{[(2S,4R)-4-[(4-chlorophenyl)(isobutyryl)amino]-2-methyl-3,4-dihydroquinolin-1(2H)-yl]carbonyl}phenoxy)-2,2-dimethylbutanoate 、
sodium hydroxide 在
乙酸乙酯 、 Brine 、
magnesium sulfate 作用下,
以
Methanol tetrahydrofuran water 为溶剂,
反应 16.0h,
以to give 4-(4-{[(2S,4R)-4-[(4-Chlorophenyl)(isobutyryl)amino]-2-methyl-3,4-dihydroquinolin-1(2H)-yl]carbonyl}phenoxy)-2,2-dimethylbutanoic acid的产率得到4-(4-{[(2S,4R)-4-[(4-Chlorophenyl)(isobutyryl)amino]-2-methyl-3,4-dihydroquinolin-1(2H)-yl]carbonyl}phenoxy)-2,2-dimethylbutanoic acid