A divergent and regioselective approach to fused pyridines was developed through formal [3 + 3] cyclocondensations from simple 2,3-unsubstituted chromones or their enaminone precursors.
通过简单的 2,3-未取代
色酮或其烯胺酮前体的正式 [3 + 3] 环缩合反应,开发出了一种不同的、具有区域选择性的方法来制备融合
吡啶。