Nobel Prize in chemistry awarded to Henri Kagan and Kenso Soai
The award recognizes discoveries that explain homochirality and guide drug design, with the laureates sharing 12 million Swedish kronor.
- On Wednesday, the Royal Swedish Academy of Sciences awarded the 2026 Nobel Prize in Chemistry to Henri B. Kagan and Kenso Soai for discovering non-linear effects and autocatalysis in asymmetric organic synthesis.
- Nobel Committee chair Heiner Linke explained homochirality—where life uses only one version of mirror-image molecules—as a fundamental mystery that had puzzled chemists for over a century.
- Kagan, 95, and 76-year-old Soai developed methods to drive reactions toward specific mirror-image molecules, with Soai creating the 'Soai reaction' to generate an excess of one form—a feat the committee called 'spectacular.'
- Pharmaceutical manufacturers now rely on these discoveries to selectively prepare specific mirror-image compounds, ensuring therapeutic efficacy while avoiding harmful side effects from incorrect molecular variants.
- The laureates share a 12 million Swedish kronor prize. The 2026 Nobel cycle continues with the literature laureate announcement on Thursday and the peace prize on Friday.
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Scientists win chemistry Nobel for discoveries about mirrored molecules that led to many drugs - WXXV News 25
By ADITHI RAMAKRISHNAN, KOSTYA MANENKOV and STEFANIE DAZIO STOCKHOLM (AP) — Scientists Henri B. Kagan and Kenso Soai won the Nobel Prize in chemistry Wednesday for untangling mysterious mirror images in molecules, a discovery that has been used to develop countless drugs and transformed modern medicine. Many molecules come in versions that look alike but are not exactly identical, like...
French-Japanese Duo Wins Chemistry Nobel For Molecular Discovery
France’s Henri Kagan and Japan’s Kenso Soai have won the Nobel Prize in Chemistry for solving a century-old puzzle about how molecules choose their “handedness”. A discovery with major implications for medicine. Molecules such as amino acids can exist in two mirror-image forms, much like left and right hands. Yet proteins in our bodies use… Continue reading French-Japanese Duo Wins Chemistry Nobel For Molecular Discovery
Henri Kagan and Kenso Soai are honored with the Nobel Prize in Chemistry for solving a hundred-year-old puzzle.
Life Is Asymmetric. The Scientists Who Figured Out Why Won the 2026 Nobel Prize in Chemistry
Henri Kagan and Kensō Soai designed chemical reactions producing only one of the two mirror-image forms of a molecule—an important finding for the synthesis of pharmaceuticals and other biological substances.
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