Aminophenols as Efficient Ligand for Copper-Catalyzed Ullmann-type Synthesis of Diaryl Ethers

School of Biological and Chemical Engineering, Jiaxing University, Jiaxing, Zhejiang 314001, ChinaReceived August 14, 2013, Accepted September 26, 2013Key Words : Copper catalyst, Aminophenols, Ullmann coupling, Diaryl ethersCarbon-oxygen bonds extensively exist in all kinds ofbiologically active natural products, important pharmaceu-tical compounds and polymers.