Onlykashmir.in News Desk
Scientists Henri Kagan and Kenso Soai have been awarded the 2026 Nobel Prize in Chemistry for the discovery of non-linear effects and autocatalysis in asymmetric organic synthesis, the Nobel committee announced in Stockholm on Wednesday.
The chemistry prize is traditionally the third to be announced during Nobel week, following the awards for medicine and physics on Monday and Tuesday. The laureates were recognised for their research into molecules and their mirror images, a field of work that is decisive for the development of pharmaceuticals.
Many molecules, including those found in living organisms and in medicines, exist in two forms that are mirror images of each other, in the way that a left hand mirrors a right. This property, known as chirality, matters enormously in medicine, because the two forms of the same molecule can behave very differently in the human body. One form may deliver the intended therapeutic effect while the other is inactive or even harmful. The painful lessons of past drug tragedies have made the ability to produce a single desired form a central goal of modern chemistry.
Asymmetric synthesis is the branch of chemistry that aims to make one mirror image selectively. The work honoured this year examines how that selectivity can behave in unexpected ways. Non-linear effects describe situations in which the purity of the product does not rise in simple proportion to the purity of the catalyst used to make it, while autocatalysis refers to reactions in which the product itself helps to speed up its own formation. Together, these ideas have given chemists a deeper understanding of how small imbalances between mirror image forms can be amplified, a question that also touches on debates about the origin of handedness in nature.
Kagan, a French chemist, and Soai, a Japanese chemist, are regarded as pioneers whose findings opened new directions in the field, shaping how researchers design catalysts and reactions for pharmaceuticals, agrochemicals and other fine chemicals. Their contributions are routinely cited in textbooks and have inspired generations of laboratory work.
The practical significance is considerable. Drug makers rely on asymmetric methods to produce safer and more effective medicines at industrial scale, and cleaner selective reactions can also reduce waste and cost. Chemists in India, including in the research laboratories of Kashmir and elsewhere, work with the same principles in efforts to develop new drugs from natural products and synthetic routes.
The Nobel Prize in Chemistry carries a gold medal, a diploma and a substantial cash award, and the formal ceremonies will take place in December. This year’s announcement underlines how fundamental research into molecular shape continues to underpin advances in modern healthcare.
