Communications Chemistry (Jul 2021)

Open questions in boron species with globally 4n π systems

  • Kei Ota,
  • Rei Kinjo

DOI
https://doi.org/10.1038/s42004-021-00542-x
Journal volume & issue
Vol. 4, no. 1
pp. 1 – 3

Abstract

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The Hückel rule defines that monocyclic and planar conjugated systems containing [4n + 2] π electrons are aromatic. Here, the authors highlight boron species that feature a globally 4n π system, defying the Hückel rule, but nonetheless exhibit aromaticity.