Lewis acid-catalyzed nucleophilic substitutions of propargylic and allylic silyl ethers with enol silyl ethers |
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| Authors: | Ishikawa Teruhiko Aikawa Toshiaki Mori Yumiko Saito Seiki |
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| Institution: | Department of Bioscience and Biotechnology, School of Engineering, Okayama University, Tsushima, Okayama, Japan 700-8530. |
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| Abstract: | Nucleophilic reactions of various enol silyl ethers with carbocation species generated from propargyl silyl ethers by the action of a Lewis acid have been developed. The present method is highly useful for the introduction of allenic or enyne functionalities into the alpha-position of substituted ketones. reaction--see text] |
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