abstract |
The present invention provides oxalic acid amide ligands and their use in copper-catalyzed aryl halide coupling reaction, specifically, the present invention provides a use of a compound shown in the following formula I; Definitions are as stated in the specification. The compound of formula I can be used as a ligand in the copper-catalyzed aryl halide coupling reaction for catalyzing the coupling reaction of aryl halides such as C-N, C-O, C-S bonds and the like. |