A Nobel Synthesis
MILESTONES IN CHEMISTRY Ian Grayson A nobel synthesis IAN GRAYSON Evonik Degussa GmbH, Rodenbacher Chaussee 4, Hanau-Wolfgang, 63457, Germany he first Nobel Prize for chemistry was because it is a scientific challenge, as he awarded in 1901 (to Jacobus van’t Hoff). described in his Nobel lecture: “The synthesis T Up to 2010, the chemistry prize has been of brazilin would have no industrial value; awarded 102 times, to 160 laureates, of whom its biological importance is problematical, only four have been women (1). The most but it is worth while to attempt it for the prominent area for awarding the Nobel Prize sufficient reason that we have no idea how for chemistry has been in organic chemistry, in to accomplish the task” (4). which the Nobel committee includes natural Continuing the list of Nobel Laureates in products, synthesis, catalysis, and polymers. organic synthesis we arrive next at R. B. This amounts to 24 of the prizes. Reading the Woodward. Considered by many the greatest achievements of the earlier organic chemists organic chemist of the 20th century, he who were recipients of the prize, we see that devised syntheses of numerous natural they were drawn to synthesis by the structural Alfred Nobel, 1833-1896 products, including lysergic acid, quinine, analysis and characterisation of natural cortisone and strychnine (Figure 1). 6 compounds. In order to prove the structure conclusively, some In collaboration with Albert Eschenmoser, he achieved the synthesis, even if only a partial synthesis, had to be attempted. It is synthesis of vitamin B12, a mammoth task involving nearly 100 impressive to read of some of the structures which were deduced students and post-docs over many years.
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