Self-Induced Charge Transfer Activation Enables Metal-Free C–H Coupling of Polycyclic Aromatic Hydrocarbons under Photo Irradiation

Key Points

• This research aims to explore methods for synthesizing axially chiral three-dimensional nanographenes through metal-free C–H coupling.
• Utilization of charge transfer activation for C–H coupling
• Application of photo irradiation in the reaction process
• Synthesis of polycyclic aromatic hydrocarbons using this method
• Successful demonstration of metal-free C–H coupling
• Enhanced synthesis of three-dimensional nanographenes under light exposure
• Improved stability of π-extended arenes during the reaction process