1075734-59-6Relevant articles and documents
Syntheses, characterization, and electrochemical anion recognition investigation of new N-5-ferrocenylisophthalic amino acid methyl esters
Liu, Wei,Zheng, Haijin,Du, Lingzhi,Chen, Bingyi,Song, Maoping
, p. 236 - 241 (2010)
The N-5-ferrocenylisophthalic amino acid methyl esters derivatives 4a-f were prepared by direct condensation of 5-ferrocenylisophthalic dichloride to the corresponding amino acid methyl esters. The compounds were fully characterized by a range of NMR spectroscopic techniques, mass spectrometry (ESI-MS) and cyclovoltammetry (CV). The cyclovoltammetric behavior of 4a-f showed one pair of well-defined and stable redox waves in potential range of 0.0-0.9 V at the GC electrode, which were attributed to the Fe/Fe+ redox process. Electrochemical investigations of 4a-f demonstrated that addition of H2PO4- resulted in large shifts of the respective Fe/Fe+ couple to more negative potentials (ca. 39-68 mV), which suggests that compounds 4a-f have good abilities in recognizing H 2PO4-. Moreover, 1H NMR spectroscopic anion titration studies of 4c and 4e strongly suggest the contributions of the amide and Ar-H protons as the important hydrogen donors in anion binding.
Neutral redox-active hydrogen- and halogen-bonding [2]rotaxanes for the electrochemical sensing of chloride
Lim, Jason Y. C.,Cunningham, Matthew J.,Davis, Jason J.,Beer, Paul D.
, p. 17274 - 17282 (2015/01/08)
The first examples of redox-active ferrocene-functionalised neutral [2]rotaxanes have been synthesised via chloride anion templation. 1H NMR spectroscopic titrations reveal that these [2]rotaxane host systems recognize chloride selectively over other halides and oxoanions in highly-competitive aqueous media. By replacing the hydrogen bonding prototriazole units of the rotaxane axle component with iodotriazole halogen bond-donor groups, the degree of chloride selectivity of the [2]rotaxanes is modulated. Electrochemical voltammetric experiments demonstrate that the rotaxanes can sense chloride via cathodic perturbations of the respective rotaxanes' ferrocene-ferrocenium redox-couple upon anion addition.
Novel coordination polymers with ferrocene-containing dicarboxylate ligand: Syntheses, crystal structures and properties
Li, Xia,Liu, Wei,Zhang, Hong-Yun,Wu, Ben-Lai
, p. 3295 - 3302 (2009/05/06)
A new ferrocene-containing dicarboxylate ligand, L = 5-ferrocene-1,3-benzenedicarboxylic acid, has been prepared. Self-assembly of L, M(II) salts (M = Co and Zn) and chelating ligands dpa or phen (dpa = 2,2′-dipyridylamine and phen = 1,10-phen) gave rise to four new coordination polymers {[Co(L)(dpa)] · 2MeOH}n (1), {[Zn(L)(dpa)] · 2MeOH}n (2), {[Co(L)(phen)(H2O)] · MeOH} (3), [Zn(L)(phen)(H2O)] · MeOH (4). The isostructural complexes 1 and 2 possess 1D helical chain structures with 21 screw axes along the b-direction, and the right- and left-handed helical chains are alternate arrayed into 2D layer structures through hydrogen-bonding interactions; while isostructural complexes 3 and 4 are 1D linear chain structures with phen and ferrocene groups of L as pendants hanging on the different sides of the main chain. A structural comparison of complexes 1-4 demonstrated that the characteristics of subsidiary ligands and slight difference in coordination models of L play very important role in the construction of the complexes. In addition, the redox properties of complexes 1-4, as well as the magnetic properties of complexes 1 and 3 are also investigated.
