Synthesis, complexing properties, and selectivity of bis(diphenylphosphorylmethyl) ethers of oligoethylene glycols. Crystal structure of 1,3-bis(diphenylphosphoryl)-2-oxapropane

A convenient method of synthesis of phosphoryl-substituted podands with dipehnylphosphorylmethyl end groups of the general formula Ph 2 P(O)CH 2 O(CH 2 CH 2 O) n CH 2 P(O)Ph 2 ( L n , n = 0–6) is described. The stability constants of the complexes of the podands with alkali metal 2,4-dinitrophenolat...

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Bibliographic Details
Published in:Russian journal of general chemistry 2017-11, Vol.87 (11), p.2574-2581
Main Authors: Ivanova, I. S., Baulin, V. E., Polyakova, I. N., Pyatova, E. N., Krivorot’ko, E. S., Galkina, E. N., Tsivadze, A. Yu
Format: Article
Language:English
Subjects:
Alkali metals
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Crystal structure
Ethers
Ions
Selectivity
Stability constants
Synthesis
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Summary:A convenient method of synthesis of phosphoryl-substituted podands with dipehnylphosphorylmethyl end groups of the general formula Ph 2 P(O)CH 2 O(CH 2 CH 2 O) n CH 2 P(O)Ph 2 ( L n , n = 0–6) is described. The stability constants of the complexes of the podands with alkali metal 2,4-dinitrophenolates were determined by conductometry. The ion-selective properties of the podands with respect to alkali and alkaline-earth metal cations were assessed by ionometry. The crystal structure of 1,3-bis(diphenylphosphoryl)-2-oxapropane was established by X-ray diffraction analysis.
ISSN:1070-3632
1608-3350
DOI:10.1134/S107036321711010X