A dearomatization/spiroannulation process has been successfully achieved between simple halophenols and α,β-unsaturated olefins under mild reaction conditions. This transformation addresses the chemoselectivity issue in the dearomatizative transformation of phenol scaffolds (6π-electron) caused by the SEAr process, enabling the construction of versatile cyclohexadienone frameworks containing contiguous
                                    在温和的反应条件下,简单的卤代
酚与α,β-不饱和烯烃成功实现了脱芳构化/螺环化过程。这种转化解决了 
SE Ar工艺引起的
苯酚支架(6π-电子)脱芳构化转化中的
化学选择性问题,从而能够以高产率构建含有连续四元全碳中心的通用环
己二烯酮框架。进一步的研究为该过程提供了有价值的见解,揭示了脱
溴/螺环化是通过 S RN 1 途径发生的。