A novel series of hetero-bimetallic complexes of the general formula W[SNS]2M(dppe) (M = Co, Ni, Cu; [SNS]H3 = bis(2-mercapto-p-tolyl)amine) were prepared by combining MCl2(dppe) complexes with W[SNS]2 under reducing conditions.  Complexes were characterized by structural, magnetic, spectroscopic and electrochemical methods.  X-Ray diffraction studies revealed pseudo-tetrahedral geometry about the Co, Ni, and Cu centers with formal metal-metal bond formation to the tungsten center. Electrochemical studies revealed multiple, reversible redox processes indicating that the hetero-bimetallic complexes are stabilized by the ligand framework in a variety of oxidation states.

Synthesis of hetero-bimetallic complexes of Co, Ni, and Cu featuring the W[SNS]<sub>2</sub> redox active co-factor

248th National Meeting (2014)

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Synthesis of hetero-bimetallic complexes of Co, Ni, and Cu featuring the W[SNS]2 redox active co-factor

Synthesis of hetero-bimetallic complexes of Co, Ni, and Cu featuring the W[SNS]₂ redox active co-factor