Möbius metallacycles show their aromaticity with textbook reactivity

A hand-drawn illustration of a number of twisting and winding impossible rings

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First electrophilic aromatic substitution reactions with unusual molecules

For the first time, researchers have achieved electrophilic substitutions – characteristic reactions for aromatics – in metal-containing Möbius aromatic compounds. ‘It undoubtedly shows the aromaticity of these molecules through reactivity,’ says Judy Wu, an expert in aromaticity at the University of Houston, US, who wasn’t involved in the study.