2-((S)-1-Methoxycarbonyl-2-{4-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-phenyl}-ethylamino)-benzoic acid ethyl ester 在
lithium hydroxide 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以61%的产率得到(S)-2-(1-carboxy-2-<4-<2-(5-methyl-2-phenyloxazol-4-yl)ethoxy>phenyl>ethylamino)benzoic acid ethyl ester