The macrocyclic triamine compounds are very important compounds. But it is extremely difficult to synthesize these compounds because of low yield and numerous steps.
大环三胺类化合物是一类非常重要的化合物,但其合成比较困难,存在合成步骤多、产率低等问题。
The successful synthesis of the aromatic triamine containing pyridine ring laid an important foundation for preparation of a novel hyperbranched polyimide.