(2R,3R)-2-tert-Butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(3-nitro-4-trifluoromethanesulfonyloxy-phenyl)-propionic acid methyl ester 在
lithium hydroxide 作用下,
以86%的产率得到(2R,3R)-2-tert-Butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(3-nitro-4-trifluoromethanesulfonyloxy-phenyl)-propionic acid