Conformational Analysis of Bis[N-alkyl-N-(2-diphenylphosphorylethyl)]amides of Diglycolic Acid

Kuznetsova, Anastasiia; Чачков, Д. В.; Tcarkova, K. V.; Аrtyushin, О. I.; Бондаренко, Н. А.; Vereshchagina, Ya. A.

doi:10.1134/s1070363222120064

Cited by 2 publications

(1 citation statement)

References 32 publications

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“…To improve the extraction properties, the molecule can be preorganized for more efficient binding with lanthanides. Theoretical studies of the differences in energies for the vaulted and complex-bound forms of a ligand are one common approach to explaining extraction efficiency and selectivity. , Previously, the results of conformational analysis and aggregations for various diglycolamide compounds were presented. The main conformers of diglycolamides are syn and anti (Figure ).…”

Section: Resultsmentioning

confidence: 99%

Small Cyclic Diglycolamides: Tautomerism, Solvent Extraction and Coordination with f-Elements: One Strain to Rule Them All

Kalinin,

Evsiunina,

Kalle

et al. 2023

Inorg. Chem.

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The search for new effective extractants is an important task for the management of high-level liquid waste (HLW) generated during the reprocessing of spent nuclear fuel. Here, we synthesized a series of diglycolamides with cyclic substituents for the first time. We disclosed their coordination with f-element nitrates [La(NO 3 ) 3 and UO 2 (NO 3 ) 2 ] by SC-XRD study and complexation properties toward Am(III), Ln(III), and U(VI) during solvent extraction from nitric acid solutions. Using dynamic nuclear magnetic resonance (NMR) and density functional theory (DFT) calculations, the importance of tautomerism in the extraction properties of diglycolamides was shown.

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Section: Resultsmentioning

confidence: 99%

Small Cyclic Diglycolamides: Tautomerism, Solvent Extraction and Coordination with f-Elements: One Strain to Rule Them All

Kalinin,

Evsiunina,

Kalle

et al. 2023

Inorg. Chem.

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Bis(N-Alkyl-N-diphenylphosphinylmethyl)diglycolamides: Synthesis and NMR Spectroscopy Study

Artyushin,

Sharova,

Tcarkova

et al. 2024

Žurnal obŝej himii

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Bis(N-Alkyl-N-diphenylphosphinylmethyl)diglycolamides [Ph2P(O)CH2N(R)C(O)CH2]2O, where R = Et, i-Pr, n-Bu, i-Bu, n-Oct, were synthesized by reaction of diglycolyl chloride with N-alkyl-N-(diphenylphosphinylmethyl)amines Ph2P(O)CH2NHR obtained by the Kabachnik–Fields reaction of aminomethylation of diphenylphosphinous acid, and their hydrochlorides. The structure of the obtained compounds was studied by 1H, 13C and 31P NMR spectroscopy.

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Conformational Analysis of Bis[N-alkyl-N-(2-diphenylphosphorylethyl)]amides of Diglycolic Acid

Cited by 2 publications

References 32 publications

Small Cyclic Diglycolamides: Tautomerism, Solvent Extraction and Coordination with f-Elements: One Strain to Rule Them All

Small Cyclic Diglycolamides: Tautomerism, Solvent Extraction and Coordination with f-Elements: One Strain to Rule Them All

Bis(N-Alkyl-N-diphenylphosphinylmethyl)diglycolamides: Synthesis and NMR Spectroscopy Study

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