甲醇 、
β-cholesteryl (2S,3R)-3-N-benzyloxycarbonylamino-2-[(tert-butyldimethylsilyl)oxy]4-phenylbutanoate 在
potassium carbonate 作用下,
反应 24.0h,
以83%的产率得到(2S,3R)-3-Benzyloxycarbonylamino-2-(tert-butyl-dimethyl-silanyloxy)-4-phenyl-butyric acid methyl ester