(2R,4S)-4-{[3,5-bis(trifluoromethyl)benzyl]-[5-(4-ethoxycarbonylmethylcyclohexylmethoxy)pyrimidin-2-yl]}amino-2-ethyl-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid ethyl ester 在
sodium hydroxide 、
水 、
盐酸 作用下,
以
乙醇 、
水 为溶剂,
生成 (2R,4S)-4-{[3,5-bis(trifluoromethyl)benzyl]-[5-(4-carboxymethylcyclohexylmethoxy)pyrimidin-2-yl]}amino-2-ethyl-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid ethyl ester