Methyl [4-[3-(4-benzyloxycarbonylamidino-phenoxy)propyl]-2,3-dioxopiperazin-1-yl]acetate   、                                                                                      
盐酸                                                                                                                                                              在
                                                                                                                                         palladium-carbon                                                                                                                                                                                                                               pallasium-carbon                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以to obtain 0.8 g of methyl [4-[3-(4-amidinophenoxy)propyl]-2,3-dioxopiperazin-1-yl]acetate hydrochloride的产率得到Methyl [4-[3-(4-amidinophenoxy)propyl]-2,3-dioxopiperazin-1-yl]acetate hydrochloride