Some molecules, when you first see them, just intrigue. So it was with carbobenzene, the synthesis of a derivative of which was recently achieved by Remi Chauvin and co-workers[1]. Two additional carbon atoms have been inserted into each of the six C-C bonds in benzene.
References
- C. Saccavini, C. Sui‐Seng, L. Maurette, C. Lepetit, S. Soula, C. Zou, B. Donnadieu, and R. Chauvin, "Functional [6]Pericyclynes: Aromatization to Substituted <i>carbo</i>‐Benzenes", Chemistry – A European Journal, vol. 13, pp. 4914-4931, 2007. https://doi.org/10.1002/chem.200601193