Remembering Robert Grubbs, winner of the 2005 Nobel Prize in Chemistry. His universal catalysts transformed chemistry and pharmaceuticals, and he enthusiastically championed his students.
In multiple branches of chemistry, Robert Grubbs combined a delight in discovery with a keen focus on applications. His organometallic catalysts transformed synthetic chemistry, polymer science, advanced materials science and pharmaceuticals. Grubbs shared the 2005 Nobel Prize in Chemistry with Richard Schrock and Yves Chauvin. He has died aged 79.
Creation of new bonds is fundamental to the synthesis of molecules, whether small molecules used in pharmaceuticals or very large ones used in advanced materials such as television screens. The carbon–carbon double bond is often an important component of the chemical functionality that allows small molecules or polymers to be transformed into more complex ones. Metathesis, in its ability to generate new carbon–carbon double bonds, has become a powerful technique in many fields.
After postdoctoral work in organometallic chemistry at Stanford University in California, Grubbs began his independent career in 1969 at Michigan State University in East Lansing. He worked on strained rings again, this time studying their fundamental properties as supports for iron complexes.
Grubbs catalysts, once esoteric, are now so ubiquitous that discussions about the synthesis of carbon–carbon double bonds are often couched only in terms of generations, as in: “I used gen-2 Grubbs” or “Gen 3 worked better for me”. The widespread use of metathesis catalysts has helped to maximize the atom economy — the amount of starting material that ends up as useful product — of synthetic routes to complex molecules.
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