4-(2'-Cyano-biphenyl-4-ylmethyl)-5-cyclopropylmethyl-2-(2,6-dichloro-phenyl)-2H-pyrazole-3-carboxylic acid ethyl ester 在
trimethyltin azide 、
silica gel 作用下,
生成 5-Cyclopropylmethyl-2-(2,6-dichloro-phenyl)-4-[2'-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-2H-pyrazole-3-carboxylic acid ethyl ester