Synthesis of optically active α,α-disubstituted β-keto esters via chiral β - enamino esters
作者:André Guingant、Hedi Hammami
DOI:10.1016/s0957-4166(00)82164-3
日期:1991.1
Michael addition of chiral β-enamino esters to MVK and acrylates promoted by Lewis acids (ZnCl2 MgBr2) or high pressure (11–14 Kbar) afforded, after hydrolytic work-up, α,α-disubstituted β-keto esters in good enantiomeric excesses.