tert-butyl (2S,3S)-3-[(4S,5S)-2,2-dimethyl-5-(phenylmethoxymethyl)-1,3-dioxolan-4-yl]-3-hydroxy-2-methyl-2-[(4-methylphenyl)sulfonylamino]propanoate 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
以98%的产率得到tert-butyl (2S,3S)-3-hydroxy-3-[(4S,5S)-5-(hydroxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-2-methyl-2-[(4-methylphenyl)sulfonylamino]propanoate