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Trityl Salt Catalyzed Aldol Reaction between α,β-Acetylenic Ketones and Silyl Enol Ethers
Kobayashi, Shu,Matsui, Shigekazu,Mukaiyama, Teruaki
, p. 1491 - 1494 (2007/10/02)
In the presence of a catalytic amount of trityl salt, α,β-acetylenic ketones react with silyl enol ethers to afford the corresponding aldol adducts (1,2-addition products) stereoselectively in high yields.Naturally occurring monoterpenes, trans- and cis-tagetones, are synthesized by the use of this reaction.
