3-methyl-4-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-benzaldehyde 、
(S)-4-benzyl-3-(2-ethoxy-ethanoyl)-oxazolidin-2-one 、
三氟甲磺酸二丁硼 以to yield (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 (的产率得到(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