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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

  • Organic Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

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.

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Authors and Affiliations

  1. A. N. Nesmeyanov Institute of Heteroorganic Compounds, Academy of Sciences of the USSR, Moscow

    N. I. Pyshnograeva, V. N. Setkina & D. N. Kursanov

Authors
  1. N. I. Pyshnograeva
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  2. V. N. Setkina
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  3. D. N. Kursanov
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Additional information

See [3] for Communication 2.

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 654–657, March, 1981.

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Pyshnograeva, N.I., Setkina, V.N. & Kursanov, D.N. π Complexes as ligands in compounds of the transition metals. Russ Chem Bull 30, 496–499 (1981). https://doi.org/10.1007/BF00949604

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  • DOI: https://doi.org/10.1007/BF00949604

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