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π Complexes as ligands in compounds of the transition metals

3. π-pyrrolyltricarbonylmanganese, a p-donor ligand in carbonyl complexes of group VIB metals
  • N. I. Pyshnograeva
  • V. N. Setkina
  • D. N. Kursanov
Organic Chemistry

Conclusions

  1. 1.

    We synthesized and characterized the binuclear heterometallic complexes of some Group VIB metal carbonyls containing π-pyrrolyltricarbonylmanganese (PTM) as the p-ligand.

     
  2. 2.

    The p-coordination of PTM with the W(CO)5 fragment leads to retarding the rate of the acid isotopic hydrogen exchange of the pyrrolyl ligand by nearly 40 times when compared with the starting PTM, in which connection the reactivity of the α and β positions remains practically the same.

     
  3. 3.

    It was shown by the IR spectroscopy method that in acid medium the complex (CO)5W· PTM is protonated at the W atom, which testifies to the high donor properties of PTM as a p-ligand.

     

Keywords

Hydrogen Spectroscopy Carbonyl Acid Medium High Donor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1981

Authors and Affiliations

  • N. I. Pyshnograeva
    • 1
  • V. N. Setkina
    • 1
  • D. N. Kursanov
    • 1
  1. 1.A. N. Nesmeyanov Institute of Heteroorganic CompoundsAcademy of Sciences of the USSRMoscow

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