Two different synthetic methodologies were employed in the preparation of compounds having an interaction between the metal of a 1,1'-bis(phosphino)metallocene ligand and a second metal center. The first method was halide abstraction from compounds with a general formula of [M(PP)Cl2] (M = Ni, Pd or Pt). in the course of these studies, the electrochemistry and complexation of several new 1,1'-bis(phophino)ferrocene ligands was examined. The metal-metal interaction was only observed for compounds with bulky substituents on the phosphorus atoms of the 1,1'-bis(phosphino)metallocene ligands. The electrochemistry of these compounds was examined. In addition, the crystal structures of several compounds were determined. The second method used was ligand substitution to yield compounds of the general formula [M(PP)(PR3)]2+. These compounds were all examined electrochemically and in serveral cases crystallographically. In both types of compounds, there is a weak interaction between the metal of the 1,1'-bis(phosphino)metallocene ligand and the second metal center.

Metal-metal interactions in compounds with 1,1'-bis(phosphino)metallocene ligands

247th National Meeting (2014)

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