Symmetrical diynes were synthesized by ligand-free copper-catalyzed homocoupling reaction.
通过无配体的铜催化均偶联反应合成对称二炔。
2
Symmetrical diynes were synthesized by ligand-free copper-catalyzed homocoupling reaction of 1,1-dibromo-1- alkenes using a DBU/DMSO system at room temperature in good to excellent yields.