The Royal Swedish Academy of Sciences awarded the 2026 Nobel Prize in Chemistry to French chemist Henri Boris Kagan and Japanese researcher Kenso Soai for their foundational discoveries in asymmetric catalysis, specifically nonlinear effects and asymmetric autocatalysis. Their pioneering work revolutionized the chemical synthesis of chiral molecules, which are vital building blocks in pharmaceutical drugs, agricultural compounds, and advanced materials.
Kagan established theoretical and experimental frameworks demonstrating that non-enantiopure catalysts can yield unexpectedly high enantiomeric excesses through nonlinear amplification mechanisms. Soai achieved a scientific landmark by discovering the ‘Soai reaction’, the only known chemical reaction in which a chiral product acts as an asymmetric autocatalyst for its own formation, amplifying minuscule initial chiral imbalances into complete enantiomeric purity.
The Nobel committee noted that the laureates’ breakthroughs not only transformed industrial drug manufacturing by lowering production costs and eliminating toxic byproducts, but also provided profound mechanistic clues into the origin of biological homochirality on Earth. Academic institutions and synthetic chemists worldwide lauded the long-overdue honor.
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