Preparations and Sulfurization Reactions of (2,4-Di-t-butyl-6-methoxyphenyl)phosphine and 1-(2,4-Di-t-butyl-6-methoxyphenyl)-2-(2,4,6-tri-t-butylphenyl)diphosphene

Article abstract of DOI:10.1246/cl.1993.2069

A phosphonous dichloride carrying 2,4-di-t-butyl-6-methoxyphenyl as a novel sterically protecting group was prepared and converted to an unsymmetrical diphosphene, which reacted with sulfur to give the corresponding diphosphene sulfide and thiadiphosphira