Synthesis of Chiral Sulfoxides via Pd(II)-Catalyzed Enantioselective C–H Alkynylation/Kinetic Resolution of 2-(Arylsulfinyl)pyridines
作者:Tao Zhou、Meng-Xue Jiang、Pu-Fan Qian、Qi-Jun Yao、Xue-Tao Xu、Kun Zhang、Bing-Feng Shi
DOI:10.1021/acs.orglett.1c02918
日期:2021.10.15
A Pd(II)-catalyzed enantioselective C–H alkynylation of 2-(arylsulfinyl)pyridines via kinetic resolution using cheap and commercially available l-pGlu-OH as a chiral ligand is reported. A wide range of 2-(arylsulfinyl)pyridines were compatible with this protocol, giving the alkynylation products and recovered sulfoxides in high yields with high enantioselectivities (up to 99% ee). Furthermore, the