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50 year quest ends with creation of silicon aromatic once thought impossible
General • February 24, 2026
After
nearly 50 years of
failed attempts and
scientific speculation, chemists at Saarland University have achieved what many thought might be impossible: creating a long-sought silicon-based aromatic molecule. By replacing carbon atoms in a famously stable ring-shaped compound with silicon, the team synthesized pentasilacyclopentadienide — a breakthrough published in Science.
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