Abstract
Non-planar polycyclic aromatic hydrocarbons (PAHs) are organic molecules characterized by an aromatic framework composed of multiple fused benzene rings, exclusively containing sp2 carbon atoms. These nonplanar PAHs exhibit enhanced properties over planar analogs, such as enhanced solubility and the ability to self-assemble, making them ideal components of new materials. The most notable member of the family is corannulene ([5]circulene, C20H10). The topology of corannulene and its complementarity with fullerenes is expected to play a significant role in supramolecular binding. Consequently, various molecular tweezers incorporating two or more corannulene units linked by different spacer groups have been reported. Herein, we highlight selected examples in supramolecular interactions.
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