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@ARTICLE{Zarzana:1009001,
      author       = {Zarzana, Christopher A. and McAlpine, Jack and Wilden,
                      Andreas and Hupert, Michelle and Stärk, Andrea and Iqbal,
                      Mudassir and Verboom, Willem and Vandevender, Aspen N. and
                      Mincher, Bruce J. and Groenewold, Gary S. and Modolo,
                      Giuseppe},
      title        = {{G}amma {R}adiolysis of {P}henyl-{S}ubstituted {TODGA}s:
                      {P}art {II}},
      journal      = {Solvent extraction and ion exchange},
      volume       = {41},
      number       = {5},
      issn         = {0736-6299},
      address      = {Philadelphia, PA},
      publisher    = {Taylor $\&$ Francis},
      reportid     = {FZJ-2023-02570},
      pages        = {582-605},
      year         = {2023},
      abstract     = {The radiolytic degradation chemistry of three phenylated
                      analogs of N,N,N’,N’-tetraoctyl diglycolamide (TODGA)
                      was investigated:
                      2-(2-(di-n-octylamino)-2-oxoethoxy)-N,N-di-n-octyl-2-phenylacetamide
                      (PhTODGA), which has a phenyl substituent bound to a central
                      methylene,
                      2-(2-(di-n-octylamino)-2-oxo-1-phenylethoxy)-N,N-di-n-octylpropanamide
                      (PhMeTODGA), which also contains a methyl substituent bound
                      to the methylene on the other side of the ether moiety, and,
                      2-(2-N-n-hexyl-N-phenylamino)-2-oxoethoxy)-N-n-hexyl-N-phenylacetamide
                      (DHDPDGA), which has phenyl substituents located on the
                      amide groups instead of the central methylenes. In Part II
                      of this series of papers radiolytic degradation products
                      were identified after separation with liquid chromatography
                      by High Resolution, Accurate-Mass mass spectrometry and
                      collision-induced dissociation. At least twenty-two
                      radiolytic degradation products were identified for PhTODGA,
                      twenty-nine for PhMeTODGA, and over three dozen for DHDPDGA.
                      The suite of radiolytic degradation products of these three
                      investigated ligands was significantly larger than has been
                      reported for previously studied diglycolamides, owing to
                      their asymmetric nature, and to the identification of
                      several new degradation mechanisms, including addition of
                      methyl, hydroxyl, and nitrogen oxide radicals, that have not
                      been previously reported for diglycolamides. Degradation
                      products that contained addition of a NO2 or NO3 group were
                      particularly prevalent for DHDPDGA, likely due to the phenyl
                      side-groups. Several of these newly observed mechanisms do
                      not appear to depend on the presence of the phenyl groups,
                      suggesting these novel mechanisms may apply to other
                      diglycolamides},
      cin          = {IEK-6 / ZEA-3},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-6-20101013 / I:(DE-Juel1)ZEA-3-20090406},
      pnm          = {1412 - Predisposal (POF4-141) / SACSESS - Safety of
                      ACtinide Separation proceSSes (323282) / GENIORS - GEN IV
                      Integrated Oxide fuels recycling strategies (755171)},
      pid          = {G:(DE-HGF)POF4-1412 / G:(EU-Grant)323282 /
                      G:(EU-Grant)755171},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001023475100001},
      doi          = {10.1080/07366299.2023.2221290},
      url          = {https://juser.fz-juelich.de/record/1009001},
}