N,N-diethyl-4-methyl-3-[(5-carboxy-2-furyl)oxy]benzamide 、
6-肼基-1,3,4-三甲基-1H-吡唑并[3,4-b]吡啶 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
生成
N,N-diethyl-4-methyl-3-[(5-{[2-(1,3,4-trimethyl-1H-pyrazolo[3,4-b]pyridin-6-yl)hydrazino]carbonyl}-2-furyl)oxy] benzamide