4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-pyrrole-2-carboxylic acid 、
4-Benzamino-benzylamin 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 作用下,
以
N-甲基乙酰胺 为溶剂,
以62%的产率得到N-(4-phenylcarbonylamino-phenylmethyl)-4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-pyrrole-2-carboxylic acid amide