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A Catalytic Intermolecular Formal Ene Reaction between Ketone-Derived Silyl Enol Ethers and Alkynes

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journal contribution
posted on 2016-09-14, 00:00 authored by Stephen D. Holmbo, Nicole A. Godfrey, Joshua J. Hirner, Sergey V. Pronin
A catalytic formal ene reaction between ketone-derived silyl enol ethers and terminal alkynes is described. This transformation is uniquely capable of bimolecular assembly of 2-siloxy-1,4-dienes and can be used to access β,γ-unsaturated ketones containing quaternary carbons in the α-position.

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