doi: 10.1021/ol034364i.
Two-arm ferrocene amide compounds: synclinal conformations for selective sensing of dihydrogen phosphate ion
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- PMID: 12762661
- DOI: 10.1021/ol034364i
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Two-arm ferrocene amide compounds: synclinal conformations for selective sensing of dihydrogen phosphate ion
Org Lett.
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Abstract
[structure: see text] Ferrocene compounds bearing multiple amido groups selectively bind with the H(2)PO(4)(-) ion over other anions. The one-arm receptors form 1:1 complexes with the H(2)PO(4)(-) ion, whereas the two-arm receptors can accommodate two H(2)PO(4)(-) ions. The complexation modes and binding strengths are deduced from the NMR, calorimetry, fluorescence, and cyclic voltammetry studies. The two-arm ferrocene hexamide receptors likely exist in synclinal conformations to incorporate tetrahydrofuran molecules and H(2)PO(4)(-) ions.
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