Soai reaction
In organic chemistry, the Soai reaction is the alkylation of pyrimidine-5-carbaldehyde with diisopropylzinc. The reaction is autocatalytic and leads to rapidly increasing amounts of the same enantiomer of the product. The product pyrimidyl alcohol is chiral and induces that same chirality in further catalytic cycles. Starting with a low enantiomeric excess produces a product with very high enantiomeric excess.[1] The reaction has been studied for clues about the origin of homochirality among certain classes of biomolecules.
The Japanese chemist Kenso Soai (1950–) discovered the reaction in 1995.[2] For his work in "elucidating the origins of chirality and homochirality", Soai received the Chemical Society of Japan award in 2010.[3]
Other chiral additives can be used as the initial source of asymmetric induction, with the major product of that first reaction being rapidly amplified.[4]
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