A series of polysubstituted pyrroles 3 have been synthesized very efficiently in two or three steps starting from primary amines 1. The key-step of this process is the bromocyclisation of δ-enaminoesters 2. The chemoselectivity of the reaction could depend on the nature of the solvent.
从
伯胺 1 开始,通过两到三个步骤就可以非常高效地合成一系列多代
吡咯 3。这一过程的关键步骤是 δ-enaminoesters 2 的
溴环化反应。反应的
化学选择性取决于溶剂的性质。