5-formyl-1H-pyrrole-3-carboxylic acid 在
哌啶 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
乙醇 为溶剂,
生成 5-{[(3Z)-5-(carbamoylamino)-2-oxo-2,3-dihydro-1H-indol-3-ylidene]methyl}-N-[2-(1H-imidazol-5-yl)ethyl]-1H-pyrrole-3-carboxamide