2-(4-chloro-2-fluorophenyl)-1H-imidazole-4-carboxylic acid 、
N'-isopropylacetohydrazonamide 、
2-(1h-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate 以
N,N-二甲基甲酰胺 为溶剂,
以gives intermediate, 2-(4-chloro-2-fluorophenyl)-N-(1-(2-isopropylhydrazinyl)ethylidene)-1H-imidazole-4-carboxamide 43 which的产率得到2-(4-chloro-2-fluorophenyl)-N-(1-(2-isopropylhydrazinyl)ethylidene)-1H-imidazole-4-carboxamide