Inorganic heterocycles. The reaction of 1,1′-bi(1-phospholan-1-thione) with some transition-metal salts

Abstract

The title compound (L) forms copper(I) complexes, [{CuL(X)}_n](X = Cl or Br), on reaction with the appropriate copper(II) halide. These probably contain dimeric units, each copper being in a S₃X environment produced by a chelating L, one bridging sulphur atom from the second L ligand, and a terminal halide. These species contain the novel multi-heterocyclic rings C₄P, Cu₂S₂P₂, and Cu₂S₂ in the same molecule. Palladium(II) and platinum(II) chlorides produce [Pd₂L₂Cl₂][PdCl₄] and [PtLCl₂]. Insoluble [Hg₂LCl₄] has also been isolated.