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NMR investigation of complex formation between metalloporphyrins and π-donors

  • Physical Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Abstract

The formation of molecular complexes between Co(II), Fe(III), and Mn(III) porphyrins and π-donors in chloroform solution has been investigated using1H NMR. It was shown that their stability is controlled to a large extent by the dimensions of the π-donor; interaction of the porphyrins with phenanthroline and anthracene, which contain a condensed aromatic system, is substantially more effective than interaction with benzene-derivative π-donors. In the case of Co(II) and Fe(III) porphyrins the affinity to it-acceptors is much more pronounced than the affinity to π-donors, whereas the acetate of Mn(III) hematoporphyrin forms molecular complexes with phenanthroline, anthracene, and trinitrobenzene with similar stability constants.

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Authors and Affiliations

  1. N. N. Semenov Institute of Chemical Physics, Academy of Sciences of the USSR, Moscow

    O. A. Chamaeva & A. N. Kitaigorodskii

Authors
  1. O. A. Chamaeva
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  2. A. N. Kitaigorodskii
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1755–1760, August, 1990.

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Chamaeva, O.A., Kitaigorodskii, A.N. NMR investigation of complex formation between metalloporphyrins and π-donors. Russ Chem Bull 39, 1591–1595 (1990). https://doi.org/10.1007/BF00961484

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  • DOI: https://doi.org/10.1007/BF00961484

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