4-(2'-Cyano-biphenyl-4-ylmethyl)-2-(2,6-dichloro-phenyl)-5-propyl-2H-pyrazole-3-carboxylic acid ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydroxide   、                                                                                                  trimethyltin azide   、                                                                                                  
silica gel                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 59.0h,
                                                                                                                生成                                                 1-(2,6-Dichlorophenyl)-4-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-3-propyl-1H-pyrazole-5-carboxylic acid