Diastereoselective Allylation of a Chiral Imine with Allylzinc Reagents: Diastereoselective Synthesis of a Novel Broad Spectrum Carbapenem
作者:Yuichi Sugimoto、Hideaki Imamura、Hiroki Sakoh、Koji Yamada、Hajime Morishima
DOI:10.1055/s-2001-18100
日期:——
Diastereoselective allylation of chiral imine with allylmetal reagents was applied to prepare β-amino acid derivative as a key intermediate for the synthesis of a novel carbapenem 1. Combination of the allylzinc reagents and chiral imine, which was derived from l-valine methyl ester as a chiral auxiliary afforded a homoallylamine in good yield with excellent diastereoselectivity.
应用烯丙基金属试剂对手性亚胺进行非对映选择性烯丙基化,制备出δ-氨基酸衍生物,作为合成新型碳青霉烯类 1 的关键中间体。将烯丙基锌试剂和手性亚胺(从 l-缬氨酸甲酯中提取)作为手性辅助剂结合在一起,就能以良好的非对映选择性获得均烯丙基胺。