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Henry Rzepa's Blog

Henry Rzepa's Blog
Chemistry with a twist
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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 (DOI: 10.1002/chem.200601193). Two additional carbon atoms have been inserted into each of the six C-C bonds in benzene. Carbobenzene The structure shows two resonance forms, which remind one of Kekulé and of course benzene itself.