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Pyridine-based mono(ligand)nickel(0) complexes of 1,6-heptadiene, 1-phenyl-2-trimethylsilyl-acetylene, and 1,4-bis(trimethylsilyl)-1,3-butadiyne

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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;

Proft,  Bernd
Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Rosenthal, U., Pulst, S., Kempe, R., Pörschke, K.-R., Goddard, R., & Proft, B. (1998). Pyridine-based mono(ligand)nickel(0) complexes of 1,6-heptadiene, 1-phenyl-2-trimethylsilyl-acetylene, and 1,4-bis(trimethylsilyl)-1,3-butadiyne. Tetrahedron, 54(7), 1277-1287. doi:10.1016/S0040-4020(97)10224-1.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-4C63-5
Abstract
The reaction of rac/meso-(μ-η2,η2-C7H12){Ni(η2,η2-C7H12)}2 with 2,6-dimethylpyridine (Me2py) affords (Me2py)Ni(η2,η2-C7H12) (1). Complex 1 serves as precursor for the preparation of the Ni(0)-bis(alkyne) complexes (Me2py)Ni(η2-PhC≡CSiMe3)2 (2) and {(Me2py)Ni}2(μ-η2,η2-Me3SiC≡C-C≡CSiMe3)2 (3). The latter is the first complex in which two metal centers are bridged by two butadiyne ligands. For 1–3 the molecular structures have been determined by X-ray crystallography.