5, 5′-Bis-vanillin derivatives as discriminating sensors for trivalent cations
AM Costero, S Gil, M Parra, PME Mancini… - Tetrahedron …, 2015 - Elsevier
Several bis-vanillin derivatives containing semicarbazone moieties have been prepared and
used in discriminating trivalent cations. The prepared probes are readily obtained and they
are usually highly crystalline. Depending on the ligand and the studied cations, quenching,
enhancement or no changes in the fluorescence spectrum were observed. Using a series of
the prepared ligands allows distinguishing between Fe 3+, Cr 3+ and Al 3+. Detection limits
and selectivity in front of divalent cations have been evaluated.
used in discriminating trivalent cations. The prepared probes are readily obtained and they
are usually highly crystalline. Depending on the ligand and the studied cations, quenching,
enhancement or no changes in the fluorescence spectrum were observed. Using a series of
the prepared ligands allows distinguishing between Fe 3+, Cr 3+ and Al 3+. Detection limits
and selectivity in front of divalent cations have been evaluated.
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