Recyclable CuO nanoparticles provide an efficient, economic, and novel method for the synthesis of quinoxaline, benzoxazine, and benzothiazine. This method provides a wide range of substrate applicability, avoids the use of organic solvents, and gives benzoheterocycles in satisfactory yields.
                                    可回收的 CuO 纳米粒子为
喹喔啉、苯并恶嗪和苯并
噻嗪的合成提供了一种高效、经济且新颖的方法。该方法提供了广泛的底物适用性,避免使用有机溶剂,并以令人满意的产率得到苯并杂环。