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Organometallic complexes as ligands. Synthesis oftrans-\([||P\overline {dClC( = NR) \{ C_5 H_3 N(6 - Cl)---| } C^2 \} (PPh_3 )_2 ]\) (R=p—OMeC6H4,CH3,c-C6H11,Bu t) and new information on the isocyanide insertion into the Pd-C σ bond

Organometall-Komplexe als Liganden. Synthese vontrans-\([||P\overline {dClC( = NR) \{ C_5 H_3 N(6 - Cl)---| } C^2 \} (PPh_3 )_2 ]\) (R=p-OMeC6H4, CH3,c-C6H11,Bu t)und neue Befunde zur Isocyanid-Insertion in die Pd-C-σ-Bindung

  • Anorganische Und Physikalische Chemie
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Abstract

The pyridyl complextrans-[PdCl{C5H3N(6-Cl)-C 2}(PPh 3)2] easily undergoes insertion of isocyanides into the palladium—carbon bond via an ionic intermediate to give the title compounds. Details on the insertion pathway were obtained through IR,31P-NMR and conductivity measurements. The presence of the NCCN moiety in the resulting imino(2-pyridyl)methyl palladium(II) complexes is supported by formation of an 1:1 adduct with CuCl2.

Zusammenfassung

Der Pyridyl-Komplextrans-[PdCl{C5H3N(6-Cl)-C2} (PPh 3)2] geht leicht — über eine ionische Zwischenverbindung — eine Isocyanid-Insertionsreaktion in die Pd-C-Bindung ein und ergibt dabei die Titelverbindungen. Details über den Ablauf dieser Insertion wurden durch IR,31P-NMR und Leitfähigkeitsmessungen erhalten. Die Gegenwart von NCCN in den resultierenden Imino(2-pyridyl)methyl-palladium(II)-Komplexen wird durch die Bildung eines 1:1-Addukts mit CuCl2 unterstützt.

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  1. Istituto di Chimica Industriale, Università di Padova, I-35100, Padova, Italy

    Antonio Mantovani

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  1. Antonio Mantovani
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Mantovani, A. Organometallic complexes as ligands. Synthesis oftrans-\([||P\overline {dClC( = NR) \{ C_5 H_3 N(6 - Cl)---| } C^2 \} (PPh_3 )_2 ]\) (R=p—OMeC6H4,CH3,c-C6H11,Bu t) and new information on the isocyanide insertion into the Pd-C σ bond. Monatsh Chem 114, 1045–1051 (1983). https://doi.org/10.1007/BF00799028

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  • DOI: https://doi.org/10.1007/BF00799028

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