EFFECTS OF STRUCTURAL VARIATION WITHIN PROTON-IONIZABLE CROWN ETHERS UPON THE SELECTIVITY AND EFFICIENCY OF SOLVENT EXTRACTION OF ALKALI METAL AND ALKALINE EARTH CATIONS
- 1 January 1989
- journal article
- research article
- Published by Taylor & Francis in Solvent Extraction and Ion Exchange
- Vol. 7 (5) , 829-854
- https://doi.org/10.1080/07360298908962340
Abstract
Lipophilic crown ethers with pendant proton-ionizable groups are novel complexing agents for use in solvent extraction of alkali metal and alkaline earth cations. A variety of crown carboxylic acids, crown phosphonic acid monoesters, and crown phosphonic acids have been synthesized to probe the effect of structural variation within the complexing agent upon selectivity and efficiency in solvent extraction. Synthetic routes to these novel extractants and results from competitive solvent extractions of alkali metal cations and of alkaline earth cations from aqueous solutions into chloroform are summarizedKeywords
This publication has 18 references indexed in Scilit:
- Effect of sidearm length upon competitive alkali metal solvent extraction into chloroform by lipophilic crown phosphonic acid monoalkyl estersAnalytical Chemistry, 1986
- New lipophilic ionizable crown ethersTetrahedron Letters, 1983
- PREPARATION OF 3,6-DIOXA-4-(BENZYLOXYMETHYL)-1,8-OCTANEDIOL, A VERSATILE INTERMEDIATE FOR THE SYNTHESIS OF FUNCTIONALIZED CROWN ETHERSOrganic Preparations and Procedures International, 1983
- Synthesis and acidity of crown ethers with pendant carboxylic acid groupsThe Journal of Organic Chemistry, 1982
- Extraction of alkali metal cations from aqueous solutions by a crown ether carboxylic acidAnalytical Chemistry, 1981
- Preparation of hydroxy crown ethers by reactions of diphenols with epichlorohydrinThe Journal of Organic Chemistry, 1981
- Membrane transport systems. I. Synthesis and characterization of carriers for a proton driven alkali metal cation pumpCanadian Journal of Chemistry, 1981
- Photometric reagents for alkali metal ions, based on crown-ether complex formation—III 4′-picrylaminobenzo-15-crown-5 derivativesTalanta, 1979
- Effect of centered functional groups on complexing properties of cyclic polyether hostsJournal of the American Chemical Society, 1975
- Structural requirements for cyclic ethers to complex and lipophilize metal cations or .alpha.-amino acidsJournal of the American Chemical Society, 1973