Synthesis of 1-Amino-2<i>H</i>-quinolizin-2-one Scaffolds by Tandem Silver Catalysis
作者:Xiao-Long Min、Chao Sun、Ying He
DOI:10.1021/acs.orglett.8b03935
日期:2019.2.1
An efficient tandem cycloisomerization–amination reaction catalyzed by silver is described. This rapid and atom-economic reaction delivered 1-amino-2H-quinolizin-2-one scaffolds in high yields under mild conditions. The reaction could be extended to an asymmetric version albeit with moderate enantioselective excess of the products. In addition, the products can be easily reduced into various azabicycles
描述了一种由银催化的有效的串联环异构化-胺化反应。这种迅速而经济的反应在温和的条件下以高收率递送了1-氨基-2 H-喹诺嗪-2-酮骨架。该反应可扩展至不对称形式,尽管具有中等对映选择性过量的产物。另外,可以容易地将产物还原为含有4-吡啶酮的各种氮杂双环,这是有机合成中的重要组成部分。