Tetrahedron Letters p. 1313 - 1314 (1999)
Update date:2022-08-04
Topics:
Berrien, Jean-Francois
Raymond, Marie-Noelle
Moskowitz, Henri
Mayrargue, Joelle
Methylallylether is deprotonated by sec-butyllithium and treated with copper((I)) iodide in dimethyisulfide to afford the corresponding allylcopper reagent. This ambident nucleophile adds in highly γ-1,4 selectivity to several enones and the corresponding ketoenolethers are obtained in good yields.
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