Enantioselective, copper(I)-catalyzed three-component reaction for the synthesis of β,γ-alkynyl α-amino acid derivatives
作者:Zhihui Shao、Xuewei Pu、Xiaojiao Li、Baomin Fan、Albert S.C. Chan
DOI:10.1016/j.tetasy.2009.01.006
日期:2009.2
reaction of ethyl glyoxylate, para-anisidine, and aliphatic, aromatic alkynes catalyzed by CuOTf·0.5C6H6/pybox 7 has been developed. The protocol provided the corresponding chiral β,γ-alkynyl α-amino acid derivatives in good yields and 66–74% ee.
已经开发了CuOTf·0.5C 6 H 6 / pybox 7催化的乙醛酸乙酯,对茴香胺和脂肪族,芳族炔烃的第一催化不对称三组分反应。该方案以高收率和66-74%ee提供了相应的手性β,γ-炔基α-氨基酸衍生物。