Synthesis and Extraction Properties of 2-(3,4-Diphenylphosphinylpyrrolidin-1-yl)ethanol and 3-(3,4-Diphenylphosphinylpyrrolidin-1-yl)propanol

A method for the synthesis of 2-(3,4-diphenylphosphinylpyrrolidin-1-yl)ethanol and 3-(3,4-diphenylphosphinylpyrrolidin-1-yl)propanol was developed, and extraction of U(VI), Th(IV), and lanthanides(III) from nitric acid solutions was studied. The stoichiometry of the extracted complexes was determine...

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Bibliographic Details
Published in:Russian journal of general chemistry 2022-12, Vol.92 (12), p.2647-2652
Main Authors: Turanov, A. N., Karandashev, V. K., Brel, V. K.
Format: Article
Language:English
Subjects:
Actinides
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Ethanol
Lanthanides
Nitric acid
Stoichiometry
Synthesis
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Summary:A method for the synthesis of 2-(3,4-diphenylphosphinylpyrrolidin-1-yl)ethanol and 3-(3,4-diphenylphosphinylpyrrolidin-1-yl)propanol was developed, and extraction of U(VI), Th(IV), and lanthanides(III) from nitric acid solutions was studied. The stoichiometry of the extracted complexes was determined, and the influence of the extractant structure and the HNO 3 concentration in the aqueous phase on the efficiency of extraction of the metal ions into the organic phase was evaluated. It was found that 2-(3,4-diphenylphosphinylpyrrolidin-1-yl)ethanol exhibits high extraction ability with respect to actinides and lanthanides in nitrate media.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363222120131