The short step access to the possible intermediate for the synthesis of halenaquinone and halenaquinol of the dihydrofuranfused tetracyclic ring core (7) using the intramolecular [4 + 2] cycloaddition reaction of the o-quinodimethane, generated from 6, as the key step is described.
本文介绍了如何利用由 6 生成的邻醌二
甲烷的分子内 [4 + 2] 环加成反应作为关键步骤,在短时间内获得合成二氢
呋喃融合四环核心(7)的卤代醌和卤代
喹诺酮的可能中间体。