Pyrrolidine-Derived Phenanthroline Diamides: An Influence of Fluorine Atoms on the Coordination of Lu(III) and Some Other f-Elements and Their Solvent Extraction
Three pyrrolidine-derived phenanthroline diamides were studied as ligands for lutetium trinitrate. The structural features of the complexes have been studied using various spectral methods and X-ray. The presence of halogen atoms in the structure of phenanthroline ligands has a significant impact on...
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MDPI AG
2023-03-01
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| Series: | International Journal of Molecular Sciences |
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| author | Nane A. Avagyan Pavel S. Lemport Mariia V. Evsiunina Petr I. Matveev Svetlana A. Aksenova Yulia V. Nelyubina Alexandr V. Yatsenko Viktor A. Tafeenko Vladimir G. Petrov Yuri A. Ustynyuk Xihe Bi Valentine G. Nenajdenko |
| author_facet | Nane A. Avagyan Pavel S. Lemport Mariia V. Evsiunina Petr I. Matveev Svetlana A. Aksenova Yulia V. Nelyubina Alexandr V. Yatsenko Viktor A. Tafeenko Vladimir G. Petrov Yuri A. Ustynyuk Xihe Bi Valentine G. Nenajdenko |
| author_sort | Nane A. Avagyan |
| collection | DOAJ |
| description | Three pyrrolidine-derived phenanthroline diamides were studied as ligands for lutetium trinitrate. The structural features of the complexes have been studied using various spectral methods and X-ray. The presence of halogen atoms in the structure of phenanthroline ligands has a significant impact on both the coordination number of lutetium and the number of solvate water molecules in the internal coordination sphere. The stability constants of complexes with La(NO<sub>3</sub>)<sub>3</sub>, Nd(NO<sub>3</sub>)<sub>3</sub>, Eu(NO<sub>3</sub>)<sub>3</sub>, and Lu(NO<sub>3</sub>)<sub>3</sub> were measured to demonstrate higher efficiency of fluorinated ligands. NMR titration was performed for this ligand, and it was found that complexation with lutetium leads to an approximately 13 ppm shift of the corresponding signal in the <sup>19</sup>F NMR spectrum. The possibility of formation of a polymeric oxo-complex of this ligand with lutetium nitrate was demonstrated. Experiments on the liquid–liquid extraction of Am(III) and Ln(III) nitrates were carried out to demonstrate advantageous features of chlorinated and fluorinated pyrrolidine diamides. |
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| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-11T06:25:43Z |
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| series | International Journal of Molecular Sciences |
| spelling | doaj.art-097434a9004e4d4d97e2cb55489403a02023-11-17T11:35:49ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-03-01246556910.3390/ijms24065569Pyrrolidine-Derived Phenanthroline Diamides: An Influence of Fluorine Atoms on the Coordination of Lu(III) and Some Other f-Elements and Their Solvent ExtractionNane A. Avagyan0Pavel S. Lemport1Mariia V. Evsiunina2Petr I. Matveev3Svetlana A. Aksenova4Yulia V. Nelyubina5Alexandr V. Yatsenko6Viktor A. Tafeenko7Vladimir G. Petrov8Yuri A. Ustynyuk9Xihe Bi10Valentine G. Nenajdenko11Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, 119991 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, 119991 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, 119991 Moscow, RussiaA.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119334 Moscow, RussiaA.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119334 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, 119991 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, 119991 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, 119991 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, 119991 Moscow, RussiaDepartment of Chemistry, Northeast Normal University, 5286 Renmin Street, Changchun 130024, ChinaDepartment of Chemistry, Lomonosov Moscow State University, 119991 Moscow, RussiaThree pyrrolidine-derived phenanthroline diamides were studied as ligands for lutetium trinitrate. The structural features of the complexes have been studied using various spectral methods and X-ray. The presence of halogen atoms in the structure of phenanthroline ligands has a significant impact on both the coordination number of lutetium and the number of solvate water molecules in the internal coordination sphere. The stability constants of complexes with La(NO<sub>3</sub>)<sub>3</sub>, Nd(NO<sub>3</sub>)<sub>3</sub>, Eu(NO<sub>3</sub>)<sub>3</sub>, and Lu(NO<sub>3</sub>)<sub>3</sub> were measured to demonstrate higher efficiency of fluorinated ligands. NMR titration was performed for this ligand, and it was found that complexation with lutetium leads to an approximately 13 ppm shift of the corresponding signal in the <sup>19</sup>F NMR spectrum. The possibility of formation of a polymeric oxo-complex of this ligand with lutetium nitrate was demonstrated. Experiments on the liquid–liquid extraction of Am(III) and Ln(III) nitrates were carried out to demonstrate advantageous features of chlorinated and fluorinated pyrrolidine diamides.https://www.mdpi.com/1422-0067/24/6/5569phenanthrolineligandcomplexlanthanidelutetiumcoordination number |
| spellingShingle | Nane A. Avagyan Pavel S. Lemport Mariia V. Evsiunina Petr I. Matveev Svetlana A. Aksenova Yulia V. Nelyubina Alexandr V. Yatsenko Viktor A. Tafeenko Vladimir G. Petrov Yuri A. Ustynyuk Xihe Bi Valentine G. Nenajdenko Pyrrolidine-Derived Phenanthroline Diamides: An Influence of Fluorine Atoms on the Coordination of Lu(III) and Some Other f-Elements and Their Solvent Extraction International Journal of Molecular Sciences phenanthroline ligand complex lanthanide lutetium coordination number |
| title | Pyrrolidine-Derived Phenanthroline Diamides: An Influence of Fluorine Atoms on the Coordination of Lu(III) and Some Other f-Elements and Their Solvent Extraction |
| title_full | Pyrrolidine-Derived Phenanthroline Diamides: An Influence of Fluorine Atoms on the Coordination of Lu(III) and Some Other f-Elements and Their Solvent Extraction |
| title_fullStr | Pyrrolidine-Derived Phenanthroline Diamides: An Influence of Fluorine Atoms on the Coordination of Lu(III) and Some Other f-Elements and Their Solvent Extraction |
| title_full_unstemmed | Pyrrolidine-Derived Phenanthroline Diamides: An Influence of Fluorine Atoms on the Coordination of Lu(III) and Some Other f-Elements and Their Solvent Extraction |
| title_short | Pyrrolidine-Derived Phenanthroline Diamides: An Influence of Fluorine Atoms on the Coordination of Lu(III) and Some Other f-Elements and Their Solvent Extraction |
| title_sort | pyrrolidine derived phenanthroline diamides an influence of fluorine atoms on the coordination of lu iii and some other f elements and their solvent extraction |
| topic | phenanthroline ligand complex lanthanide lutetium coordination number |
| url | https://www.mdpi.com/1422-0067/24/6/5569 |
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