(2S)-2-ethoxy-3-{3-methoxy-4-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-phenyl}-propionic acid 、 、
(S)-4-benzyl-3-((2S,3R)-2-ethoxy-3-hydroxy-3-{3-methyl-4-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-phenyl}-propionyl)-oxazolidin-2-one 、
三乙基硅烷 、 (S)-4-benzyl-3-((2S)-2-ethoxy-3-{3-methyl-4-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-phenyl}-propionyl)-oxazolidin-2-one 、
sodium hydroxide 以
三氟乙酸 、
四氢呋喃 为溶剂,
以to yield (S)-2-ethoxy-3-{3-methyl-4-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-phenyl}-propionic acid as colorless solid的产率得到(S)-2-ethoxy-3-{3-methyl-4-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-phenyl}-propionic acid