Thermally-Induced Intramolecular 4+2 Dearomative Cycloaddition Reaction of Anthracene-tethered Vinylidenecyclopropanes

Key Points

• The research aims to explore a rapid synthesis method for constructing dibenzobicyclo frameworks using anthracene derivatives.
• Developed an intramolecular [4+2] dearomative cycloaddition reaction
• Used anthracene-tethered vinylidenecyclopropane derivatives
• Conducted the reaction under catalyst-free conditions
• Successfully synthesized dibenzobicyclo[2.2.2]octane frameworks
• Demonstrated the efficiency of the synthetic method
• Showed that the reaction is viable without a catalyst