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Phosphate and polyphosphate anions recognition by a dinuclear copper(II) complex of an unsymmetrical squaramide

Abstract : In the search for receptors suitable for the recognition of phosphate or polyphosphate anions a new unsymmetrical squaramide-based ligand bearing dipicolylamine (dpa) and ethylpiperazine units (L) was designed and prepared. The acid-base reactions of L, its copper(II) complexation behaviour as well as the binding of phosphate and polyphosphate anions by the copper(II) complexes used as receptors were evaluated. At pH=7.4, ATP4– is selectively removed from water containing PhPO42−, Haep−, AMP2– and ADP3− by the dicopper(II) complex of the squaramide ligand.
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https://hal.univ-brest.fr/hal-02145467
Contributor : Nicolas Renard Connect in order to contact the contributor
Submitted on : Monday, June 3, 2019 - 8:21:59 AM
Last modification on : Wednesday, November 3, 2021 - 6:59:13 AM

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Catarina Esteves, Judite Costa, David Esteban, Pedro Lamosa, Hélène Bernard, et al.. Phosphate and polyphosphate anions recognition by a dinuclear copper(II) complex of an unsymmetrical squaramide. Dalton Transactions, Royal Society of Chemistry, 2019, ⟨10.1039/C9DT01434A⟩. ⟨hal-02145467⟩

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