21-O-(2-((3-(bis(diethylphosphono)methyl)carbamoyl)propanoyloxy)acetyl)-1',4-didehydro-1-deoxy-1,4-dihydro-3'-hydroxy-5'-[4-(2-methylpropyl)-1-piperazinyl]-1-oxorifamycin VIII                                                                                                                                                              在
                                                                                                                                                                                 
2,6-二甲基吡啶   、                                                                                                  
三甲基溴硅烷   、                                                                                                  ammonium acetate   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷   、                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                    反应 40.0h,
                                                                                                                以39%的产率得到21-O-(2-((3-(bisphosphonomethyl)carbamoyl)propanoyloxy)acetyl)-1',4-didehydro-1-deoxy-1,4-dihydro-3'-hydroxy-5'-[4-(2-methylpropyl)-1-piperazinyl]-1-oxorifamycin VIII ammonium salt