Synthesis of Quinoline and 1,2,3,4-Tetrahydroquinoline Derivatives from Substituted<i>o</i>-Nitrotoluenes via Cesium-promoted [2 + 4] Cycloaddition
作者:Weijie Guo、Maocong Yi、Jianhui Wang、Guiyan Liu
DOI:10.1002/cjoc.201700150
日期:2017.10
the synthesis of quinoline and 1,2,3,4‐tetrahydroquinoline derivatives from o‐nitrotoluenes bearing electron‐withdrawing groups and olefins (acrylic esters, acrylonitriles, and methyl acrylates) via a base‐catalyzed [2 + 4] cycloaddition. This simple, rapid, and environment‐ friendly method provides a practical pathway for the synthesis of quinoline and 1,2,3,4‐tetrahydroquinoline derivatives. The