Synthese und Struktur von (tmeda)Ni(H2C=CHCOOCH3)2

Kaschube, Wilfried; Pörschke, Klaus-Richard; Seevogel, Klaus; Krüger, Carl

doi:10.1016/0022-328X(89)87221-3

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Synthese und Struktur von (tmeda)Ni(H₂C=CHCOOCH₃)₂

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Kaschube, Wilfried
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;

Seevogel, Klaus
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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Citation

Kaschube, W., Pörschke, K.-R., Seevogel, K., & Krüger, C. (1989). Synthese und Struktur von (tmeda)Ni(H₂C=CHCOOCH₃)₂. Journal of Organometallic Chemistry, 367(1-2), 233-242. doi: 10.1016/0022-328X(89)87221-3.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-657D-7

Abstract

Ni(C₂H₄)₃, Ni(cdt), or Ni(cod)₂ react with tmeda and acrylic acid methyl ester, methyl vinyl ether, and acrylonitrile in ether to afford (tmeda)Ni(H₂C=CHCOOCH₃)₂ (3, orange-red crystals), (tmeda)Ni(H₂C=CHCOCH₃)₂ (4, red crystals), and (tmeda)Ni(H₂C=CHCN)₂ (5, yellow precipitate) in up to 90% yield. These complexes are also formed by interaction of the homoleptic bis(alkene) nickel(0) complexes Ni(H₂C=CHCOOCH₃)₂, Ni(H₂C=CHCOCH₃)₂, and Ni(H₂C=CHCN)₂ with tmeda, and by the reaction of (tmeda)Ni(CH₃)₂ with the alkenes in ether at −30°C or above, under reductive elimination of ethane. Solid 3 is stable to about 110°C, whereas 4 decomposes slowly at 20°C; decomposition of 5 occurs at 136°C. The IR, ¹H and ¹³C NMR spectra are reported. In addition, 3 has been characterized by an X-ray diffraction study.