Pyridines were rapidly reduced to piperidines with Sm or Yb-HCl system at room temperature in quantitative yields. Quinolines and isoquinolines were similarly reduced to the corresponding 1, 2, 3, 4-tetrahydro-derivatives with Sm-HCl system in good yields.
吡啶类化合物在室温下通过Sm或Yb-HCl体系迅速还原为
哌啶类化合物,产率定量。
喹啉和
异喹啉同样通过Sm-HCl体系被还原为对应的1,2,3,4-四氢衍
生物,产率良好。