Benzene-centered tripodal diglycolamides: Synthesis, metal ion extraction, luminescence spectroscopy, and DFT studies

Andrea Leoncini; Seraj Ahmad Ansari; Prasanta Kumar Mohapatra; Anil Boda; Sheikh Musharaf Ali; Arijit Sengupta; Jurriaan Huskens; Willem Verboom

doi:10.1039/c6dt04034a

Benzene-centered tripodal diglycolamides: Synthesis, metal ion extraction, luminescence spectroscopy, and DFT studies

Andrea Leoncini, Seraj Ahmad Ansari, Prasanta Kumar Mohapatra^*, Anil Boda, Sheikh Musharaf Ali, Arijit Sengupta, Jurriaan Huskens, Willem Verboom

^*Corresponding author for this work

Molecular Nanofabrication

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Abstract

Three benzene-centered tripodal diglycolamides (Bz-T-DGAs) were synthesized and evaluated for actinide, lanthanide, and fission product ion extraction. 1,3,5-Triethylbenzene-based tripodal DGA (L_I) showed high distribution ratio (D) values for Am³⁺ and Eu³⁺ in a mixture of 95% n-dodecane and 5% iso-decanol at 3 M HNO₃. Eu/Am separation factors, in the range of 8-10, were obtained at 1 M HNO₃ which decreased at higher acidities with the exception of L_II which did not show much change. Benzene-1,3,5-triamide-based tripodal DGA (L_II) exhibited a high D-value for Pu⁴⁺ compared to the other ligands. Slope analysis showed the formation of 1:1 or 1:2 complexes is dependent on the ligand. The nature of the complexes was further studied with luminescence spectroscopy (Eu complexes) and DFT calculations (Am complexes).

Original language	English
Pages (from-to)	1431-1438
Number of pages	8
Journal	Dalton transactions
Volume	46
Issue number	5
DOIs	https://doi.org/10.1039/c6dt04034a
Publication status	Published - 2017

Keywords

22/4 OA procedure

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title = "Benzene-centered tripodal diglycolamides: Synthesis, metal ion extraction, luminescence spectroscopy, and DFT studies",

abstract = "Three benzene-centered tripodal diglycolamides (Bz-T-DGAs) were synthesized and evaluated for actinide, lanthanide, and fission product ion extraction. 1,3,5-Triethylbenzene-based tripodal DGA (LI) showed high distribution ratio (D) values for Am3+ and Eu3+ in a mixture of 95% n-dodecane and 5% iso-decanol at 3 M HNO3. Eu/Am separation factors, in the range of 8-10, were obtained at 1 M HNO3 which decreased at higher acidities with the exception of LII which did not show much change. Benzene-1,3,5-triamide-based tripodal DGA (LII) exhibited a high D-value for Pu4+ compared to the other ligands. Slope analysis showed the formation of 1:1 or 1:2 complexes is dependent on the ligand. The nature of the complexes was further studied with luminescence spectroscopy (Eu complexes) and DFT calculations (Am complexes).",

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author = "Andrea Leoncini and Ansari, {Seraj Ahmad} and Mohapatra, {Prasanta Kumar} and Anil Boda and {Musharaf Ali}, Sheikh and Arijit Sengupta and Jurriaan Huskens and Willem Verboom",

year = "2017",

doi = "10.1039/c6dt04034a",

language = "English",

volume = "46",

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T1 - Benzene-centered tripodal diglycolamides

T2 - Synthesis, metal ion extraction, luminescence spectroscopy, and DFT studies

AU - Leoncini, Andrea

AU - Ansari, Seraj Ahmad

AU - Mohapatra, Prasanta Kumar

AU - Boda, Anil

AU - Musharaf Ali, Sheikh

AU - Sengupta, Arijit

AU - Huskens, Jurriaan

AU - Verboom, Willem

PY - 2017

Y1 - 2017

N2 - Three benzene-centered tripodal diglycolamides (Bz-T-DGAs) were synthesized and evaluated for actinide, lanthanide, and fission product ion extraction. 1,3,5-Triethylbenzene-based tripodal DGA (LI) showed high distribution ratio (D) values for Am3+ and Eu3+ in a mixture of 95% n-dodecane and 5% iso-decanol at 3 M HNO3. Eu/Am separation factors, in the range of 8-10, were obtained at 1 M HNO3 which decreased at higher acidities with the exception of LII which did not show much change. Benzene-1,3,5-triamide-based tripodal DGA (LII) exhibited a high D-value for Pu4+ compared to the other ligands. Slope analysis showed the formation of 1:1 or 1:2 complexes is dependent on the ligand. The nature of the complexes was further studied with luminescence spectroscopy (Eu complexes) and DFT calculations (Am complexes).

AB - Three benzene-centered tripodal diglycolamides (Bz-T-DGAs) were synthesized and evaluated for actinide, lanthanide, and fission product ion extraction. 1,3,5-Triethylbenzene-based tripodal DGA (LI) showed high distribution ratio (D) values for Am3+ and Eu3+ in a mixture of 95% n-dodecane and 5% iso-decanol at 3 M HNO3. Eu/Am separation factors, in the range of 8-10, were obtained at 1 M HNO3 which decreased at higher acidities with the exception of LII which did not show much change. Benzene-1,3,5-triamide-based tripodal DGA (LII) exhibited a high D-value for Pu4+ compared to the other ligands. Slope analysis showed the formation of 1:1 or 1:2 complexes is dependent on the ligand. The nature of the complexes was further studied with luminescence spectroscopy (Eu complexes) and DFT calculations (Am complexes).

KW - 22/4 OA procedure

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DO - 10.1039/c6dt04034a

M3 - Article

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VL - 46

SP - 1431

EP - 1438

JO - Dalton transactions

JF - Dalton transactions

SN - 1477-9226

IS - 5

ER -

Benzene-centered tripodal diglycolamides: Synthesis, metal ion extraction, luminescence spectroscopy, and DFT studies

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Keywords

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