Acetic acid (S)-1-(4-bromo-phenyl)-3-[(2S,3R)-1-(4-fluoro-phenyl)-2-(4-hydroxy-phenyl)-4-oxo-azetidin-3-yl]-propyl ester 在
lithium hydroxide 作用下,
以
四氢呋喃 为溶剂,
以56%的产率得到(3R,4S)-3-[(S)-3-(4-Bromo-phenyl)-3-hydroxy-propyl]-1-(4-fluoro-phenyl)-4-(4-hydroxy-phenyl)-azetidin-2-one