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Sterical Driving Minor Actinide Selectivity of Bi-pyridyl Diamides: Ortho- vs. Para-Substitution

Author

Listed:
  • Nataliya E. Borisova

    (Department of Chemitry, Lomonosov Moscow State University, 119991 Moscow, Russia)

  • Tsagana B. Sumyanova

    (Department of Chemitry, Lomonosov Moscow State University, 119991 Moscow, Russia)

  • Alexey V. Ivanov

    (Department of Chemitry, Lomonosov Moscow State University, 119991 Moscow, Russia)

  • Anastasia V. Kharcheva

    (Department of Chemitry, Lomonosov Moscow State University, 119991 Moscow, Russia
    Faculty of Physics, Lomonosov Moscow State University, 119991 Moscow, Russia)

  • Petr I. Matveev

    (Department of Chemitry, Lomonosov Moscow State University, 119991 Moscow, Russia)

  • Svetlana V. Patsaeva

    (Faculty of Physics, Lomonosov Moscow State University, 119991 Moscow, Russia)

  • Vladimir G. Petrov

    (Department of Chemitry, Lomonosov Moscow State University, 119991 Moscow, Russia)

Abstract

Hybrid donor extractants are a promising class of compounds for the separation of trivalent actinides and lanthanides. In this paper, we present a new ligand from the bipyridyl-dicarboxylic acid diamide family—N,N’-diethyl-N,N’-bis(2,4,5-trimethylphenyl)-[2,2’-bipyridine]-6,6’-dicarboxamide. The synthesis of N-ethyl-2,4,5-trimethylaniline from pseudocumene by selective acetylation is presented. The target ligand was obtained using this aminylene. Chemical synthesis of its complexes with Ln(NO 3 ) 3 and their spectroscopic analysis showed that the structure of the complexes is near to the corresponding structures of well-known di-methylated dianilides. A series of studies on the photophysical, complexing, and extraction properties of this ligand and its complexes were carried out. It was shown that the extraction system based on this ligand can selectively isolate americium from the solution of high-level waste imitator.

Suggested Citation

  • Nataliya E. Borisova & Tsagana B. Sumyanova & Alexey V. Ivanov & Anastasia V. Kharcheva & Petr I. Matveev & Svetlana V. Patsaeva & Vladimir G. Petrov, 2022. "Sterical Driving Minor Actinide Selectivity of Bi-pyridyl Diamides: Ortho- vs. Para-Substitution," Energies, MDPI, vol. 15(24), pages 1-12, December.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:24:p:9497-:d:1003571
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    References listed on IDEAS

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    1. Mikhail Alyapyshev & Vasiliy Babain & Dmitry Kirsanov, 2022. "Isolation and Purification of Actinides Using N,O-Hybrid Donor Ligands for Closing the Nuclear Fuel Cycle," Energies, MDPI, vol. 15(19), pages 1-31, October.
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