Complexation and Extraction of Trivalent Actinides and Lanthanides by Triazinylpyridine N-Donor Ligands

PJ Panak, A Geist - Chemical reviews, 2013 - ACS Publications
The transuranium elements (TRU) neptunium, plutonium, americium, and curium are
produced in nuclear fuel during reactor operation from neutron capture by uranium-235/238 …

Structure and thermodynamics of lanthanide and actinide complexes in solution

GR Choppin - Pure and Applied Chemistry XIIIth, 1971 - degruyter.com
Several questions of importance in the study of lanthanide and actinide coordination
compounds are reviewed. There is considerable evidence that in aqueous solution the …

Next-Generation 3, 3′-AlkoxyBTPs as Complexants for Minor Actinide Separation from Lanthanides: A Comprehensive Separations, Spectroscopic, and DFT Study

LS Fletcher, ML Tedder, SO Olayiwola… - Inorganic …, 2024 - ACS Publications
Progress toward the closure of the nuclear fuel cycle can be achieved if satisfactory
separation strategies for the chemoselective speciation of the trivalent actinides from the …

Advancing the Am Extractant Design through the Interplay among Planarity, Preorganization, and Substitution Effects

X Zhang, SL Adelman, BT Arko, CR De Silva… - Inorganic …, 2022 - ACS Publications
Advancing the field of chemical separations is important for nearly every area of science and
technology. Some of the most challenging separations are associated with the americium …

2,6-Bis(5-(2,2-dimethylpropyl)-1H-pyrazol-3-yl)pyridine as a Ligand for Efficient Actinide(III)/Lanthanide(III) Separation

A Bremer, CM Ruff, D Girnt, U Müllich… - Inorganic …, 2012 - ACS Publications
The N-donor complexing ligand 2, 6-bis (5-(2, 2-dimethylpropyl)-1 H-pyrazol-3-yl) pyridine
(C5-BPP) was synthesized and screened as an extracting agent selective for trivalent …

Comparative Investigation into the Complexation and Extraction Properties of Tridentate and Tetradentate Phosphine Oxide‐Functionalized 1, 10‐Phenanthroline …

L Xu, Y Hao, X Yang, Z Wang, C Xu… - … A European Journal, 2021 - Wiley Online Library
Two new phosphine oxide‐functionalized 1, 10‐phenanthroline ligands, tetradentate 2, 9‐
bis (butylphenylphosphine oxide)‐1, 10‐phenanthroline (BuPh‐BPPhen, L1) and tridentate …

Complexation of Cm (III) and Eu (III) with a hydrophilic 2, 6-bis (1, 2, 4-triazin-3-yl)-pyridine studied by time-resolved laser fluorescence spectroscopy

CM Ruff, U Müllich, A Geist, PJ Panak - Dalton Transactions, 2012 - pubs.rsc.org
The complexation of Cm (III) and Eu (III) with 2, 6-bis (5, 6-di (sulfophenyl)-1, 2, 4-triazin-3-yl)
pyridine (aq-BTP) is studied in water at pH 3.0 applying time-resolved laser fluorescence …

Computing UV/vis spectra using a combined molecular dynamics and quantum chemistry approach: bis-triazin-pyridine (BTP) ligands studied in solution

S Höfener, M Trumm, C Koke, J Heuser… - Physical Chemistry …, 2016 - pubs.rsc.org
We report a combined computational and experimental study to investigate the UV/vis
spectra of 2, 6-bis (5, 6-dialkyl-1, 2, 4-triazin-3-yl) pyridine (BTP) ligands in solution. In order …

A hydrolytically stable complexant for minor An separation from Ln in process relevant diluents

LS Fletcher, ML Tedder, SO Olayiwola… - Chemical …, 2024 - pubs.rsc.org
The evaluation of bis-1, 2, 4-triazine complexants containing eight-carbon, alkoxy-
functionalized phenyl substituents at the 3, 3′-positions for selective minor actinide …

Gas-Phase Complexes of Americium and Lanthanides with a Bis-Triazinyl Pyridine: Reactivity and Bonding of Archetypes for F-Element Separations

T Jian, X Yu, D Dan, TE Albrecht-Schmitt… - The Journal of …, 2020 - ACS Publications
Bis-triazinyl pyridines (BTPs) exhibit solution selectivity for trivalent americium over
lanthanides (Ln), the origins of which remain uncertain. Here, electrospray ionization was …