(S)-3-[Bis-(2,2,2-trichloro-ethoxy)-phosphoryloxy]-2-tert-butoxycarbonylamino-propionic acid methylsulfanylmethyl ester 在
magnesium bromide 作用下,
以
乙醚 为溶剂,
生成 (S)-3-[Bis-(2,2,2-trichloro-ethoxy)-phosphoryloxy]-2-tert-butoxycarbonylamino-propionic acid