4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-pyrrole-2-carboxylic acid 、
1-(4-联苯基)-N-甲基甲胺 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 作用下,
以
N-甲基乙酰胺 为溶剂,
以77%的产率得到N-(biphenyl-4-yl)methyl-N-methyl-4-(4'-trifluoromethylbiphenyl-2-carbonylamino)-1-methyl-pyrrole-2-carboxylic acid amide