(3'S,5RS)-5-[N-[3-benzyloxycarbonylamino-6-(isobutyrimidoylamino)hexanoyl]-N-methylamino]-5,6-dihydro-2-ureidopyrimid-4(1H)-one                                                                                                                                                              在
                                                                                                                                                                                 
氢气   、                                                                                                  palladium dichloride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以83%的产率得到(3'S,5RS)-5-[N-(3-amino-6-isobutyrimidoylaminohexanoyl)-N-methylamino]-5,6-dihydro-2-ureidopyrimid-4(1H)-one dihydrochloride