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Synthesis, Structure, and Properties of {(tBu2PC2H4PtBu2)Ni}2(μ-η2:η2-C6H6) and (tBu2PC2H4PtBu2)Ni(η2-C6F6)1

MPS-Authors

Bach,  Ingrid
Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Pörschke,  Klaus-Richard
Research Group Pörschke, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Goddard,  Richard
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Kopiske,  Carsten
Service Department Krüger (XRAY), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Krüger,  Carl
Service Department Krüger (XRAY), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Rufinska,  Anna
Service Department Farès (NMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

Seevogel,  Klaus
Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Bach, I., Pörschke, K.-R., Goddard, R., Kopiske, C., Krüger, C., Rufinska, A., et al. (1996). Synthesis, Structure, and Properties of {(tBu2PC2H4PtBu2)Ni}2(μ-η2:η2-C6H6) and (tBu2PC2H4PtBu2)Ni(η2-C6F6)1. Organometallics, 15(23), 4959-4966. doi:10.1021/om960389s.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-44AF-1
Abstract
Thermolysis of (tBu2PC2H4PtBu2)NiMe2 in benzene or reduction of (tBu2PC2H4PtBu2)NiCl2 with Mg* in THF/benzene affords a solution of mononuclear (tBu2PC2H4PtBu2)Ni(η2-C6H6) (1) and dinuclear {(tBu2PC2H4PtBu2)Ni}2(μ-η2:η2-C6H6) (2) in equilibrium. Complex 2 has been isolated; the X-ray structure analysis reveals an antifacial coordination of the [(tBu2PC2H4PtBu2)Ni0] moieties to adjacent CC bonds of a formal cyclohexatriene ligand. According to solid-state and solution NMR the structure of 2 is static in the solid and fluxional in solution. Displacement of the benzene ligand in 1 or 2 by C6F6 affords mononuclear (tBu2PC2H4PtBu2)Ni(η2-C6F6) (5) for which the molecular structure is also reported.