(R)-4-[(S)-5-Benzyloxycarbonylamino-1-((R)-1-benzyloxycarbonyl-ethylcarbamoyl)-pentylcarbamoyl]-2-((S)-2-{[(2S,4R,5R,6R)-6-((R)-1,2-dihydroxy-ethyl)-4,5-dihydroxy-tetrahydro-pyran-2-carbonyl]-amino}-propionylamino)-butyric acid benzyl ester                                                                                                                                                              在
                                                                                                                                         
钯                                                                                                                                                                                                                               氢气                                                                                                                                  作用下,
                                                                                                                                                                                                                            以80%的产率得到(R)-4-[(S)-5-Carboxyamino-1-((R)-1-carboxy-ethylcarbamoyl)-pentylcarbamoyl]-2-((S)-2-{[(2S,4R,5R,6R)-6-((R)-1,2-dihydroxy-ethyl)-4,5-dihydroxy-tetrahydro-pyran-2-carbonyl]-amino}-propionylamino)-butyric acid