(R)-4-(di-tert-butoxy-phosphoryloxymethyl)-4-(2-{4-[2-(3-fluoro-phenoxy)-ethoxy]-phenyl}-ethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester 在
乙酸乙酯 、 hexanes 、
乙醚 作用下,
以
盐酸 为溶剂,
反应 3.0h,
以to afford phosphoric acid mono-((R)-2-amino-4-{4-[2-(3-fluoro-phenoxy)-ethoxy]-phenyl}-2-hydroxymethyl-butyl)ester as a colorless powder的产率得到phosphoric acid mono-((R)-2-amino-4-{4-[2-(3-fluoro-phenoxy)-ethoxy]-phenyl}-2-hydroxymethyl-butyl) ester