Reaction of [Pd(C6F5)2(CNR)2 ] with [PdCl2(NCPh)2 ]. Insertion of p-MeC6H4NC into Pd-C6F5 bonds

  1. Uson, R. 1
  2. Fornies, J. 1
  3. Espinet, P. 1
  4. Lalinde, E. 1
  1. 1 Universidad de Zaragoza
    info

    Universidad de Zaragoza

    Zaragoza, España

    ROR https://ror.org/012a91z28

Revista:
Journal of Organometallic Chemistry

ISSN: 0022-328X

Año de publicación: 1983

Volumen: 254

Número: 3

Páginas: 371-379

Tipo: Artículo

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Otras publicaciones en: Journal of Organometallic Chemistry

Resumen

[Pd(C6F5)2(CNR)2] (R = Cy, But, p-MeC6H4 (p-Tol)) react with [PdCl2(NCPh)2] to give [Pd2(μ-Cl)2(C6F5)2(CNR)2]. In refluxing benzene insertion of isocyanide into the C6F5Pd bonds occurs only for R = p-Tol, to give a imidoyl bridged polynuclear complex cis-[Pd2 (μ-Cl)2[μ-C(C6F5) = N(Tol-p)]2n]. This complex reacts with (a) Tl(acac) to give [Pd2{μ-C(C6F5) = N(Tol-p)}2(acac)2]; (b) neutral monodentate ligands to afford dimeric complexes [Pd2{μ-C(C6F5) = N(Tol-p)}2Cl2L2] (L = NMe3, py, 4-Me-py, SC4H8), and (c) isocyanides to give insoluble complexes of the same composition which are thought to be polymeric, [Pd(CNR)Cl{μ-C(C6F5) = N(p-Tol)}]n (R = p-Tol, Me, But). Thermal decomposition of cis-[Pd2 (μ-Cl)2 [μ-C(C6F5) = N( p-Tol)]2n] gives the diazabutadiene species (p-Tol)NC(C6F5)C(C6F5)N(p-Tol) in high yield. © 1983.