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Porphyrins 27. Synthesis of metal complexes of cis-1,2-bis(octaethyl-5-porphyrinyl)ethylene and their transformation into the trans isomers

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Abstract

The synthesis of the Cu, Ni, and Zn complexes of cis-1,2-bis(octaethyl-5-porphyrinyl)ethylene has been carried out and their transformation into the corresponding trans isomers has been investigated under various conditions. The crystal and molecular structure of the Ni complex of trans-1,2-bis(octaethyl-5-porphyrinyl)ethylene was determined by x-ray structural analysis. It was shown that the Zn and Ni complexes of the cis isomer were readily converted into the trans isomers in chloroform. A stepwise introduction of Ni atoms into the trans dimer was discovered on heating it with Ni(OAc)2 in DMF. The conversion of the Zn complex of the cis dimer into the trans dimer was facilitated on adding pyridine.

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Authors and Affiliations

  1. Institute of Biophysics, Russian Ministry of Public Health, 123182, Moscow

    G. V. Ponomarev

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  1. G. V. Ponomarev
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Additional information

For Communication 26 see [1].

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1339–1344, October, 1993.

The author is sincerely grateful to Professor Y. Sakata for making this investigation possible, to Professor Y. Kai for the XSA of complex (Ib), to Dr. Y. Takai for plotting the PMR spectra, and to Professor K. M. Smith for his interest in the work.

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Ponomarev, G.V. Porphyrins 27. Synthesis of metal complexes of cis-1,2-bis(octaethyl-5-porphyrinyl)ethylene and their transformation into the trans isomers. Chem Heterocycl Compd 29, 1147–1151 (1993). https://doi.org/10.1007/BF00538058

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  • DOI: https://doi.org/10.1007/BF00538058

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