REDUCTION OF SULFONIC ACIDS WITH PHOSPHORUS PENTASULFIDE

Article abstract of DOI:10.1016/S0040-4039(00)85691-9

Arene, and alkanesulfonic acids are easily reduced to the corresponding polysulfides R-(S)_n-R (n= 2.9 <*> 3.3) by treatment with phosphorus pentasulfide.In this reaction, the formation of both P-O-S and P-S-H linkages is considered to be involved in the key step of the reduction.