5-氨基四氮唑 、
4'-[(6-n-butylaminocarbonyl-4-methyl-2-n-propyl-1H-benzimidazol-1-yl)methyl]biphenyl-2-carboxylic 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59.2%的产率得到N-butyl-7-methyl-2-propyl-3-[[4-[2-(2H-tetrazol-5-ylcarbamoyl)phenyl]phenyl]methyl]benzimidazole-5-carboxamide