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Neutral and anionic pentafluorophenyl complexes of palladium and platinum(II) and their reactivity towards amines

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Summary

The (n-Bu4N)[M(C6F5)3(CNR)] complexes (M=Pd or Pt; R=p-Tolyl, Me, Cy ort-Bu, prepared from (n-Bu4N)[M(C6F5)3(tht)] (tht = tetrahydrothiophene) and the appropriate isocyanide, RNC, prove to be unreactive towards benzylamine or MeOH. Thetrans-[Pd(C6F5)2(CNR)2] complexes react slowly with benzylamine to give the corresponding carbene complexestrans-[Pd(C6F5)2{C(NHR)(NHBz)}2], the rate of the reaction decreasing in the order:p-Tolyl > Me > Cy ≫t-Bu (for R=t-Bu the carbene complex cannot be prepared). In the corresponding Pt complexes a marked decrease in reactivity is observed and only the most reactive isonitrile complex (R=p-Tolyl) gives the carbene complextrans-[Pt(C6F5)2{C(NHTolyl-p)(NHBz)}2}. Thecis-[M(C6F5)2(CNTolyl)2] complexes do not show any change in reactivity compared to the correspondingtrans-complexes, and givecis[M(C6F5)2{C(NHTolyl-p)(NHBz)}2].

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Authors and Affiliations

  1. Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Zaragoza, Zaragoza, Spain

    Rafael Usón, Juan Forniés, Pablo Espinet, Rafael Navarro & Elena Lalinde

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  1. Rafael Usón
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  2. Juan Forniés
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  3. Pablo Espinet
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  4. Rafael Navarro
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  5. Elena Lalinde
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Usón, R., Forniés, J., Espinet, P. et al. Neutral and anionic pentafluorophenyl complexes of palladium and platinum(II) and their reactivity towards amines. Transition Met Chem 9, 277–279 (1984). https://doi.org/10.1007/BF00624474

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  • DOI: https://doi.org/10.1007/BF00624474

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