(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)-3-hydroxy-2-methoxy-3-{7-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-benzo[b]thiophen-4-yl}-propionyl]-oxazolidin-2-one 、
三乙基硅烷 、 (S)-4-benzyl-3-(2(S)-methoxy-3-{7-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-benzo[b]thiophen-4-yl}-propionyl)-oxazolidin-2-one 、
sodium hydroxide 以
三氟乙酸 、
四氢呋喃 为溶剂,
以to yield (S)-2-methoxy-3-{7-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-benzo[b]thiophen-4-yl}-propionic acid as colorless solid的产率得到(S)-2-methoxy-3-{7-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-benzo[b]thiophen-4-yl}-propionic acid