4'-[[2-n-propyl-4-methyl-6-(2-phenoxy-3-cyano-isoureido)-1H-benzimidazol-1-yl]-methyl]-2-(1H-tetrazol-5-yl)-biphenyl 在
二异丙胺 作用下,
以
异丙醇 为溶剂,
以19%的产率得到4'-[[2-n-Propyl-4-methyl-6-(2-cyano-3,3-diisopropyl-guanidino)-1H-benzimidazol-1-yl]-methyl]-2-(1H-tetrazol-5-yl)-biphenyl