Michael addition of methyl 2-(trimethysily)propenoate with organomagnesiums or organolithiums leading to 1:1 and / or 2:1 adducts and subsequent peterson olefination by condensation with carbonyl compounds

Article abstract of DOI:10.1246/bcsj.63.466

Michael addition of methyl 2-(trimethylsilyl)propenoate with organomagnesiums or organolithiums leads to 1:1 and/or 1:2 adduct anions which can be utilized in the subsequent step of Peterson olefination with carbonyl compounds. The 1:1/1:2 ratio depends u