benzyl (2S)-2-(phenylmethoxycarbonylamino)-3-[[(2R,3S,4R,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]methoxy]propanoate                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以89%的产率得到(S)-2-Amino-3-((2R,3S,4R,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-ylmethoxy)-propionic acid