Biaryl-Bridged Salalen Ligands and Their Application in Titanium-Catalyzed Asymmetric Epoxidation of Olefins with Aqueous H2O2
作者:Donglu Xiong、Xiaoxue Hu、Shoufeng Wang、Cheng-Xia Miao、Chungu Xia、Wei Sun
DOI:10.1002/ejoc.201100512
日期:2011.8
A series of biaryl-bridged salalen ligands together with their titanium complexes have been designed and synthesized. The Ti complexes could serve as highly efficient catalysts for the asymmetric epoxidation of a wide range of olefins, giving the corresponding epoxides with high ee values.