Asymmetric Copper(I)-Catalyzed Azide–Alkyne Cycloaddition to Quaternary Oxindoles
作者:Feng Zhou、Chen Tan、Jing Tang、Yan-Yan Zhang、Wei-Ming Gao、Hai-Hong Wu、Yi-Hua Yu、Jian Zhou
DOI:10.1021/ja4066656
日期:2013.7.31
We report a highly enantioselective Cu(I)-catalyzed azide-alkyne cycloaddition via asymmetric desymmetrization of oxindole-based 1,6-heptadiynes, which furnishes quaternary oxindoles bearing a 1,2,3-triazole-containing moiety with 84-98% ee.
我们报告了通过基于羟吲哚的 1,6-庚二炔的不对称去对称化的高度对映选择性的 Cu(I) 催化的叠氮化物-炔烃环加成反应,该反应提供了带有 1,2,3-三唑部分的四元羟吲哚和 84-98% ee .