ORGANOMANGANESE(II) REAGENTS XXII. COPPER-CATALYZED CONJUGATE ADDITION OF ORGANOMANGANESE REAGENTS TO α,β-ETHYLENIC ESTERS.

Article abstract of DOI:10.1016/S0040-4039(00)88505-6

Copper-catalyzed conjugate addition of organomanganese reagents to α,β-ethylenic esters easily takes place in THF at 0 deg C, in the presence of 3 percent CuCl and Me3SiCl.Good to moderate yields are obtained from organomanganese reagents prepared from organolithium or organomagnesium compounds.