Electrochemical and 19F NMR Detection of Anions, Ion-pairs, and a Zwitterionic Amino Acid with a Ferrocene-based Hetero-ditopic Receptor Bearing o-(Carboxamido)trifluoroacetophenone and Crown-ether Ligands 


Vol. 29,  No. 12, pp. 2355-2360, Dec.  2008
10.5012/bkcs.2008.29.12.2355


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  Abstract

Described are the electrochemical and 19F NMR detection of anions, ion-pairs, and zwitterionic L-phenylalanine with the ferrocene-based hetero-ditopic receptor. A cyclic voltammetric study shows that the receptor induces a positive shift in the ferrocene oxidation potential upon binding of a potassium cation, whereas it induces a negative shift upon binding of an acetate anion, both of which can be reversed. Also, the redox potential shifts were dependent on ion-pairing interactions. Furthermore, direct detection of an amino acid in its zwitterionic form is demonstrated by 19F NMR spectroscopy in aqueous media.

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  Cite this article

[IEEE Style]

H. Miyaji, D. S. Kim, B. Y. Chang, S. M. Park, K. H. Ahn, "Electrochemical and 19F NMR Detection of Anions, Ion-pairs, and a Zwitterionic Amino Acid with a Ferrocene-based Hetero-ditopic Receptor Bearing o-(Carboxamido)trifluoroacetophenone and Crown-ether Ligands," Bulletin of the Korean Chemical Society, vol. 29, no. 12, pp. 2355-2360, 2008. DOI: 10.5012/bkcs.2008.29.12.2355.

[ACM Style]

Hidekazu Miyaji, Dae Sik Kim, Byoung Yong Chang, Su Moon Park, and Kyo Han Ahn. 2008. Electrochemical and 19F NMR Detection of Anions, Ion-pairs, and a Zwitterionic Amino Acid with a Ferrocene-based Hetero-ditopic Receptor Bearing o-(Carboxamido)trifluoroacetophenone and Crown-ether Ligands. Bulletin of the Korean Chemical Society, 29, 12, (2008), 2355-2360. DOI: 10.5012/bkcs.2008.29.12.2355.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949