Synthesis and Extraction Properties of Tripodal Tetraphosphoryl Ligands on the Triphenylphosphine Oxide Platform

T. V. Baulina,I. Yu. Kudryavtsev, M. P. Pasechnik,A. G. Matveeva,S. V. Matveev, A. V. Vologzhanina,A. N. Turanov,V. K. Karandashev, V. K. Brel

Russian Journal of General Chemistry(2023)

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Abstract
New tetraphosphoryl tripodal ligands on the triphenylphosphine oxide platform [2-Ph2P(O)(CH2)nOC6H4]3PO with different linker length (n = 3, 4) were synthesized. Their composition and structure were determined by elemental analysis, IR and multinuclear (1H, 13C, and 31P) NMR spectroscopy, and X-ray diffraction analysis. Extraction properties of the ligands were studied using the example of extraction of microamounts of f-elements from an aqueous phase into 1,2-dichloroethane.
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Key words
tripodal tetraphosphoryl ligands,functionalized phosphine oxides,extraction
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