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The News
The French scientist H. C. Kagan and Japanese scientist K. C. Suwai won the 2023 Nobel Prize in Chemistry for their contributions to understanding asymmetric synthesis in organic chemistry. According to BBC News, the scientists revealed how nature prefers one form of a molecule over its mirror image.
This discovery is particularly significant in the pharmaceutical industry, where the two mirror-image forms of a molecule can have different effects on the human body. For instance, thalidomide in the 1950s showed that the right-handed form of the molecule was effective in treating morning sickness, while the left-handed form was toxic.
In 1986, Kagan discovered a new method to modify organic chemistry reactions, leading to a greater production of the desired form of the molecule. Meanwhile, Suwai published the first chemical reaction in Nature in 1995 that could produce only the desired form of the organic molecule. In 2003, Suwai succeeded in controlling a reaction that produces only one of the mirror-image forms.
The Chairman of the Nobel Committee for Chemistry, Heinrich Link, stated that "Kagan and Suwai have solved a 100-year-old chemical puzzle: how enantiomers can appear naturally." Suwai said at the Nobel Conference, "This is one of the most exciting days of my life."
This discovery provides the basis for designing chemical reactions that produce a larger amount of the desired form of the molecule, enabling the development of more effective and safer drugs. Professor Robert Mokaya, President of the Royal Society of Chemistry in the UK, noted that this discovery is "a strong example of how fundamental chemistry can lead to solutions for some of society's biggest challenges."
Analysis & context
Analysis & Context
Analytically, Kagan and Suwai's solution to the puzzle of molecular asymmetry represents a significant leap in understanding how life has developed on Earth. This discovery aids in understanding how living organisms produce the correct version of molecules that perform vital functions.
In a broader context, chemical reactions play a crucial role in the pharmaceutical industry. Many drugs consist of chiral molecules, and understanding how to produce the correct version of these molecules can lead to the development of more effective and less harmful drugs.
This discovery is also a crucial step in understanding how life developed on Earth. Understanding how nature produces the correct version of molecules can help us understand how life began on Earth billions of years ago.
