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@ARTICLE{DiazGomez:917292,
      author       = {Diaz Gomez, Laura Johana and Wilden, Andreas and Schneider,
                      Dimitri and Paparigas, Zaina and Modolo, Giuseppe and Gullo,
                      Maria Chiara and Huskens, Jurriaan and Verboom, Willem},
      title        = {{S}ynthesis and evaluation of new modified diglycolamides
                      with different stereochemistry for extraction of tri- and
                      tetravalent metal ions},
      journal      = {New journal of chemistry},
      volume       = {47},
      number       = {10},
      issn         = {0398-9836},
      address      = {London},
      publisher    = {RSC},
      reportid     = {FZJ-2023-00522},
      pages        = {4619-4627},
      year         = {2023},
      abstract     = {Americium separation from high level nuclear waste can
                      provide certain benefits such as reducing the long-term heat
                      generation or the possibility of re-use as fuel in
                      innovative reactors. The separation is carried out through
                      solvent extraction. Among commonly used ligands,
                      diglycolamide (DGA) derivatives have shown high distribution
                      ratios for trivalent lanthanides (Ln(III)) and actinides
                      (An(III)). Recently, different diastereomers of DGAs with
                      substitutions in the backbone have shown an inverse
                      selectivity for Am over Cm, in comparison with commonly used
                      DGAs. Hence, we synthesised, characterized, and tested novel
                      <i>syn</i>- and <i>anti</i>-diastereomers of
                      tetra-<i>n</i>-octyl and tetra-<i>n</i>-decyl DGAs with two
                      propyl and ethyl-methyl substituents at the backbone
                      methylene carbon atoms. The distribution ratios for An(III)
                      and Ln(III) were found to be generally lower than for the
                      unsubstituted parent molecules due to steric hindrance. On
                      the other hand, <sup>239</sup>Pu was much better extracted.
                      All tested ligands showed the inverse selectivity for Am
                      with an Am/Cm separation factor (SF<sub>Am/Cm</sub>) around
                      1.5. Finally, slope analysis confirmed a 1:3 metal:ligand
                      ratio for the DGA complexes.},
      cin          = {IEK-6},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-6-20101013},
      pnm          = {1412 - Predisposal (POF4-141) / SEPAM - Verbundprojekt:
                      Untersuchungen zur SEParation von Americium aus
                      hochradioaktiven Abfalllösungen (SEPAM), Teilprojekt A
                      (02E11921A)},
      pid          = {G:(DE-HGF)POF4-1412 / G:(DE-Juel1)02E11921A},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000913958300001},
      doi          = {10.1039/D2NJ05663A},
      url          = {https://juser.fz-juelich.de/record/917292},
}