Publisher： John Wiley & Sons Inc
E-ISSN： 1099-0682|2017|47|5571-5575
ISSN： 1434-1948
Source： EUROPEAN JOURNAL OF INORGANIC CHEMISTRY (ELECTRONIC), Vol.2017, Iss.47, 2017-12, pp. : 5571-5575
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Abstract
A new multimetallic construct has been developed utilizing a redox‐active metalloligand. The molybdenum complex, Mo[SNS]2 {1; [SNS]H3 = bis(2‐mercapto‐p‐tolyl)amine}, has been shown to coordinate to Ni(dppe) {dppe = 1,2‐bis(diphenylphosphanyl)ethane} through two cis thiolate donors to generate heterobimetallic Mo[SNS]2Ni(dppe) (2) and heterotrimetallic Mo[SNS]2{Ni(dppe)}2 (3). X‐ray diffraction studies confirm the presence of formal metal–metal bonds between the molybdenum and nickel centers in the solid state; however, NMR spectroscopic studies show that intracluster interactions are dynamic in solution. The Mo[SNS]2 metalloligand engenders rich redox chemistry in 2 and 3, and in the latter case, electrochemical and spectroscopic data suggest that 3+ is a localized mixed‐valence complex, despite the metal–metal bonding network.
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