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
已开发出一种原子经济高效的方法,可通过一种碱从带有载电子体的邻硝基甲苯和烯烃(丙烯酸酯,丙烯腈和丙烯酸甲酯)合成喹啉和1,2,3,4-四氢喹啉衍生物。催化[2 + 4]环加成。这种简单,快速且环境友好的方法为合成喹啉和1,2,3,4-四氢喹啉衍生物提供了实用的途径。起始原料容易获得,并且以良好至优异的产率获得了37种产品。