Modular Synthesis of Pentagonal and Hexagonal Ring-Fused NBN-Phenalenes Leading to an Excited-State Aromatization-Induced Structural Planarization Molecular Library

Although polycyclic aromatic hydrocarbons (PAHs) with a nitrogen–boron–nitrogen (NBN) moiety have recently attracted tremendous interest due to their intriguing electronic and optoelectronic proper...