4'-[[2-n-propyl-4-methyl-6-[N-(1-propionyl-n-propyl)-aminocarbonyl]-1H-benzimidazol-1-yl]-methyl]-2-(2-triphenylmethyl-tetrazol-5-yl)-biphenyl 在
乙酸铵 作用下,
以
溶剂黄146 为溶剂,
以2.7%的产率得到4'-[[2-n-Propyl-4-methyl-6-(4,5-diethyl-1H-imidazol-2-yl)-1H-benzimidazol-1-yl]-methyl]-2-(1H-tetrazol-5-yl)-biphenyl