5-bromo-6,7-dimethyl-1H-benzo[d][1,2,3]triazole   、                                                                                      ethyl (1S,4R,6S,7Z,14S,18S)-14-[(2-methylpropan-2-yl)oxycarbonylamino]-18-methylsulfonyloxy-2,15-dioxo-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-ene-4-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
caesium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         DMF (N,N-dimethyl-formamide)                                                                                  为溶剂,
                                                                                                                                                                                        生成