哌啶 、
ethyl 2-[2-(2-oxopropylidene)hydrazino]-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate 、
对苯二甲醛 以67%的产率得到ethyl 2-[2-(1-{[4-(2-{[3-(ethoxycarbonyl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl]hydrazono}-3-oxo-1-(piperidin-1-yl)butyl)phenyl](piperidin-1-yl)methyl}-2-oxopropylidene)hydrazino]-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate