Synthetic and structural studies of phosphorus carbonyl rhenacycles containing the tetraphenyldithioimidodiphosphinato ligand

The synthesis of rhenacycles [Re(CO)3(L){Ph2P(S)NP(S)Ph2-κ2S}] L = PPh3, (1), PMePh2 (2), PMe2Ph, (3), and PMe3, (4) by a straightforward high yield procedure is described. All new inorganic complexes (1)–(4) were characterized in solution and in the solid state.

Three routes for the preparation of complexes [Re(CO)4(PR3){Ph2P(S)NP(S)Ph2-κ2S}] PR3=PPh3 (1), PMePh2 (2), PMe2Ph (3), and PMe3 (4) were explored. All new inorganic rhenacycles (1)–(4) were characterized in solution and in solid state.Figure optionsDownload as PowerPoint slideHighlights
► Reaction chemistry of dithioimidodiphosphinato towards rhenium carbonyls and phosphines.
► High yields synthesis of a family of rhenacycles.
► Solution and solid state characterization of new rhenacycles.