Volume 94 Issue 10 | pp. 28-29
Issue Date: March 7, 2016

The littlest aromate

In quest for the smallest possible aromatic ring, chemists have found winners in various categories
Department: Science & Technology
News Channels: JACS In C&EN, Materials SCENE, Organic SCENE
Keywords: aromaticity, chemical bonding, cyclopropenyl cation

In recent months, two research groups have reported new molecules containing three-membered aromatic boron rings. The chemists behind each of these discoveries made a claim that their molecules have established a new precedent as the smallest or lightest aromatic species now known. Both have a legitimate shot at being named a record holder, but their cases hinge on how chemists define aromaticity.

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