Development of β-keto ester and malonate chemistry--Palladium-catalyzed new reactions of their allylic esters

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タイトル別名
  • Development of .BETA.-keto ester and malonate chemistry Palladium-catalyzed new reactions of their allylic esters
  • Development of ベータ keto ester and malonate chemistry Palladium catalyzed new reactions of their allylic esters
  • Palladium-catalyzed new reactions of their allylic esters
公開日
2004
DOI
  • 10.2183/pjab.80.349
公開者
日本学士院

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説明

During extensive studies on π-allylpalladium chemistry, we have developed classical β-keto ester and malonate chemistry to a new generation by discovering a variety of palladium-catalyzed reactions of their allylic esters. Palladium enolates are generated from allyl β-keto esters after decarboxylation and undergo the following transformations; a) reductive elimination to provide α-allyl ketones, b) elimination of β-hydrogen to give α, β-unsaturated ketones, c) formation of α-methylene ketones, d) hydrogenolysis to give ketones, e) aldol condensation, and f) Michael addition. Allyl malonates and cyanoacetes undergo similar reactions. Results of these studies, including several applications carried out by other researchers are summarized.<br> <br> <br> (Communicated by Teruaki MUKAIYAMA, M.J.A.)<br>

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