Cu-Catalyzed O-Arylation

Room-Temperature Etherification

Copper catalysis enables highly selective O-arylation of phenols with diazonium salts at room temperature, avoiding diazoether byproducts and directly yielding diaryl ethers.

Xin, Fang · Chengning, Qi · Xiang-Qian, Cao · Ren, Zhigang · Young, David James · Li, Hongxi

Green Chemistry 2023

Advantages

room temperature conditions

moderate to excellent yields

high functional group tolerance

operational simplicity