CF3 group of o-alkenyl-α,α,α-trifluorotoluenes underwent intramolecular coupling reaction with the alkene C–H bond under NbCl5/LiAlH4 system. Substituted indenes were obtained in good yields.
CF3取代的o-烯烃-α,α,α-
三氟甲苯在NbCl5/LiAlH4体系下与烯烃C–H键发生了分子内偶联反应。获得了产率良好的取代
茚类化合物。