Studies of dithioimidodiphosphinates and related compounds

The condensation reaction of iPr2PCl with hexamethyldisilazane, HN(SiMe3)2, followed by oxidation with sulfur yields iPr2P(S)NHP(S)iPr2. Single crystal X-ray diffraction studies indicate it adopts a unique cisoid conformation in a hydrogen bonded chain. iPr2P(S)NHP(S)iPr2 was reacted with carbonates of Zn, Cd and Ni, CoCl2, MCl2COD (M = Pd, Pt) and Pt(PMe3)2Cl2 yielding the complexes M[iPr2P(S)NP(S)iPr2]2 (M = Zn, Cd, Ni, Co, Pd, Pt), {[iPr2P(S)NP(S)iPr2] Pd[iPr2P(S)NHP(S)iPr2]}+Cl- and {Pt(PMe3)2[iPr2P(S)NP(S)iPr2]}+BPh4-. [Continues].