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First 24-Membered Macrocyclic 1,10-Phenanthroline-2,9-Diamides—An Efficient Switch from Acidic to Alkaline Extraction of If/I-Elements

International journal of molecular sciences, 2023-06, Vol.24 (12) [Peer Reviewed Journal]

COPYRIGHT 2023 MDPI AG ;ISSN: 1422-0067 ;EISSN: 1422-0067 ;DOI: 10.3390/ijms241210261

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Title:
First 24-Membered Macrocyclic 1,10-Phenanthroline-2,9-Diamides—An Efficient Switch from Acidic to Alkaline Extraction of If/I-Elements
Author: Lemport, Pavel S ; Petrov, Valentine S ; Matveev, Petr I ; Leksina, Uliana M ; Roznyatovsky, Vitaly A ; Gloriozov, Igor P ; Yatsenko, Alexandr V ; Tafeenko, Viktor A ; Dorovatovskii, Pavel V ; Khrustalev, Viktor N ; Budylin, Gleb S ; Shirshin, Evgeny A ; Markov, Vitaliy Yu ; Goryunkov, Alexey A ; Petrov, Vladimir G ; Ustynyuk, Yuri A ; Nenajdenko, Valentine G
Subjects: Nuclear energy ; Spectrum analysis
Is Part Of: International journal of molecular sciences, 2023-06, Vol.24 (12)
Description: A reaction of acyl chlorides derived from 1,10-phenanthroline-2,9-dicarboxylic acids with piperazine allows the preparation of the corresponding 24-membered macrocycles in good yield. The structural and spectral properties of these new macrocyclic ligands were thoroughly investigated, revealing promising coordination properties towards f-elements (Am, Eu). It was shown that the prepared ligands can be used for selective extraction of Am(III) from alkaline–carbonate media in presence of Eu(III) with an SF[sub.Am/Eu] up to 40. Their extraction efficiency is higher than calixarene-type extraction of the Am(III) and Eu(III) pair. Composition of macrocycle–metal complex with Eu(III) was investigated by luminescence and UV-vis spectroscopy. The possibility of such ligands to form complexes of L:Eu = 1:2 stoichiometry is revealed.
Publisher: MDPI AG
Language: English
Identifier: ISSN: 1422-0067
EISSN: 1422-0067
DOI: 10.3390/ijms241210261
Source: PubMed Central
ProQuest Central
DOAJ Directory of Open Access Journals

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First 24-Membered Macrocyclic 1,10-Phenanthroline-2,9-Diamides—An Efficient Switch from Acidic to Alkaline Extraction of If/I-Elements

COPYRIGHT 2023 MDPI AG ;ISSN: 1422-0067 ;EISSN: 1422-0067 ;DOI: 10.3390/ijms241210261

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