ethyl (3R,4S)-3-[tert-butyl(dimethyl)silyl]oxy-4-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]-5-phenylpentanoate 在
sodium hydroxide 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
以92%的产率得到(3R,4S)-4-(tert-Butoxycarbonyl-methyl-amino)-3-(tert-butyl-dimethyl-silanyloxy)-5-phenyl-pentanoic acid