Cu(II)/Proline-Catalyzed Reductive Coupling of Sulfuryl Chloride and P(O)–H for P–S–C Bond Formation
作者:Xinghua Zhang、Dungai Wang、Duo An、Boshi Han、Xiang Song、Liang Li、Gaoqi Zhang、Lixian Wang
DOI:10.1021/acs.joc.7b02608
日期:2018.2.2
A considerably improved method for the Cu-catalyzed coupling of sulfurylchloride with P(O)–H was described. Using commercially available l-proline as the ligand decreased the precatalyst loading, broadened the substrate scope and greatly promoted the efficiency of the coupling reaction. Moreover, gram-scale preparation, easy-to handle and recyclable catalyst featured this transformation.
sulfur–phosphorus coupling reaction of disulfides and dialkyl trimethylsilyl phosphite (DTSP) was carried out under solvent‐freereaction conditions in moderate to excellent yields with good functional group compatibility. The reaction conditions represent an advance over established methods not only in omitting the need for expensive catalysts or solvents, but also in shortening the reaction time significantly