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Synthesis and binding properties of new tripodal hexadentate ligands having three quinolinol moieties for trivalent metal cations

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
39
Issue
34
Identifiers
DOI: 10.1016/s0040-4039(98)01277-5
Keywords
  • Host Compounds
  • Ionophores
  • Rearrangement
  • Gallium And Compounds

Abstract

Abstract Tripodal hexadentate ligands, having three 8-hydroxyquinolyl or 2-methyl-8-hydroxyquinolyl groups as binding sites, were successfully prepared from the corresponding tris(isobutenyl 8-quinolyl ether) via the Claisen rearrangement. The 2-methyl-8-hydroxyquinolyl derivative exhibited binding ability for several kinds of trivalent metal cations to form 1:1 complexes, and showed selective extractability for Ga 3+ among trivalent cations of Group 13 elements.

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