Tetrahedron Letters p. 7425 - 7428 (1990)
Update date:2022-08-11
Topics:
Cahiez, Gerard
Alami, Mouad
The conjugate addition of organomagnesium reagents to α, β-ethylenic esters is performed in THF, at room temperature (30 min to 1.5 h), in the presence of CuCl (3%) and Me3SiCl (1.2 eq.). Good yields of 1,4-addition products are obtained according to this very simple procedure.
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