(2S)-2-ethoxy-3-(4-hydroxy-2,6-dimethyl-phenyl)-propionic acid methyl ester 、
4-(chloromethyl)-2-(3-chlorophenyl)-5-methyl-1,3-oxazole 、
3-氯苯甲醛 、
三氯氧磷 、
Dicaesio carbonate 、
碘化钾 在
diacetyl 作用下,
以to yield (S)-3-{4-[2-(3-chloro-phenyl)-5-methyl-oxazol-4-ylmethoxy]-2,6-dimethyl-phenyl}-2-ethoxy-propionic acid methyl ester as colorless liquid的产率得到(S)-3-{4-[2-(3-chloro-phenyl)-5-methyl-oxazol-4-ylmethoxy]-2,6-dimethyl-phenyl}-2-ethoxy-propionic acid methyl ester