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M. Vuagnoux-d'Augustin, A. Alexakis,
“Tandem asymmetric conjugate addition-enolacetates formation of enantiomerically enriched zinc and aluminium enolates”
Tetrahedron Lett. 2007, 48, 7408-7412.
The metal enolates, resulting from the copper-catalyzed enantioselective conjugate addition of organometallic reagents (Et2Zn or R3Al) to cyclic and acyclic enones are quantitatively trapped as enolacetates with acetic anhydride.
DOI : 10.1016/j.tetlet.2007.07.220
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