The synthesis of novel trithiobisphosphines is achieved by oxidative addition of tetrathiocins to the phosphorus(I) reagent [PIdppe][Br] in good yields under ambient conditions. These trithiobisphosphines and the related intermediate diphosphine species are characterized by X-ray diffraction and multinuclear NMR and a mechanism is proposed for the formation of these molecules.
Kosnik, Stephanie C.; Nascimento, Maxemilian C.; Rawson, Jeremy M.; and Macdonald, Charles L.B.. (2017). Synthesis of bis(trithio)phosphines by oxidative transfer of phosphorus(I). Dalton Transactions, 46, 9769-9776.