An environmentally friendly method is described for the preparation of substituted quinoline and quinoxaline derivatives using Zr(OTf)4 as an efficient catalyst. The method is based on using 1,3-diketones, ketones and 2-aminoaryl ketones under solvent-free conditions and also on using 1,2-diketone, 1,2-diamine in EtOH/H2O at room temperature for quinloine and quinoxaline synthesis, respectively. The advantages in using this method, include its environmental friendliness, simple operating process and good yields.
一种环保的方法被描述用于制备取代
喹啉和
喹喔啉衍
生物,使用了Zr(OTf)4作为高效催化剂。该方法基于在无溶剂条件下使用1,3-二酮、酮和2-
氨基芳基酮,以及在室温下使用1,2-二酮、1,2-二胺在EtOH/
H2O中分别进行
喹啉和
喹喔啉的合成。使用这种方法的优势包括其环境友好性、操作过程简单和良好的产率。