Synthesis of sterically high demanding α-alkylated amino acids via Claisen rearrangement of chelated enolates
作者:Uli Kazmaier、Sabine Maier
DOI:10.1016/0040-4020(95)00946-9
日期:1996.1
Ester enolateClaisenrearrangement of chelated N-protected aminoacid allylic esters 1 and 4 results in the formation of α-alkylated γ,δ-unsaturated aminoacids 3 and 5 in good yields and in a highly diastereoselective fashion.