5-氨基四氮唑   、                                                                                      
4'-[[4-methyl-6-(2-(3',4'-dimethoxy)phenethylamino)carbonyl-2-propyl-1H-benzimidazolyl]methyl]-2-biphenylcarboxylic acid                                                                                                                                                              在
                                                                                                                                                                                 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以54.1%的产率得到N-[2-(3,4-dimethoxyphenyl)ethyl]-7-methyl-2-propyl-3-[[4-[2-(2H-tetrazol-5-ylcarbamoyl)phenyl]phenyl]methyl]benzimidazole-5-carboxamide