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Self-Assembled Anion-Binding Cryptand for the Selective Liquid-Liquid Extraction of Phosphate Anions.


ABSTRACT: The ligands L1 and L2 form trinuclear self-assembled complexes with Cu2+ (i.e. [(L1 )2 Cu3 ]6+ or [(L2 )2 Cu3 ]6+ ) both of which act as a host to a variety of anions. Inclusion of long aliphatic chains on these ligands allows the assemblies to extract anions from aqueous media into organic solvents. Phosphate can be removed from water efficiently and highly selectively, even in the presence of other anions.

SUBMITTER: Andrews R 

PROVIDER: S-EPMC7693201 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Self-Assembled Anion-Binding Cryptand for the Selective Liquid-Liquid Extraction of Phosphate Anions.

Andrews Rebecca R   Begum Sabera S   Clemett Christopher J CJ   Faulkner Robert A RA   Ginger Michael L ML   Harmer Jane J   Molinari Marco M   Parkes Gareth M B GMB   Qureshi Zuhlqurnain M H ZMH   Rice Craig R CR   Ward Michael D MD   Williams Howard M HM   Wilson Philippe B PB  

Angewandte Chemie (International ed. in English) 20200902 46


The ligands L<sup>1</sup> and L<sup>2</sup> form trinuclear self-assembled complexes with Cu<sup>2+</sup> (i.e. [(L<sup>1</sup> )<sub>2</sub> Cu<sub>3</sub> ]<sup>6+</sup> or [(L<sup>2</sup> )<sub>2</sub> Cu<sub>3</sub> ]<sup>6+</sup> ) both of which act as a host to a variety of anions. Inclusion of long aliphatic chains on these ligands allows the assemblies to extract anions from aqueous media into organic solvents. Phosphate can be removed from water efficiently and highly selectively, even  ...[more]

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