Synthesis of novel chiral bis(ferrocenyl) ligands and their use as voltammetric metal cation sensors

O.B. Sutcliffe, M.R. Bryce, A.S. Batsanov

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Bis(ferrocenyl) derivatives 3a, 3c and 3d containing secondary chelating substituents act as efficient voltammetric sensors of Mg2+ and Zn2+ ions in acetonitrile solution in concentrations as low as 10 mol%: a new redox peak appears in the cyclic voltammogram, positively shifted by 170-225 mV for 3a, 160-175 mV for 3c and 160-170 mV for 3d. Compounds 3b and 4 are selective for Zn2+ (215 mV shift) and Mg2+ (205 mV shift) ions, respectively, whilst 3d is also responsive to Ca2+ ions (165 mV shift) with no interference from a large excess of several other metal salts. The X-ray crystal structure of 3a is also reported.
Original languageEnglish
Pages (from-to)211-216
Number of pages5
JournalJournal of Organometallic Chemistry
Volume656
Issue number1-2
DOIs
Publication statusPublished - Aug 2002

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Cations
Positive ions
Metals
Ligands
Ions
cations
ligands
shift
sensors
Sensors
synthesis
metals
ions
Chelation
Acetonitrile
Oxidation-Reduction
acetonitrile
Salts
Crystal structure
X-Rays

Keywords

  • ferrocene
  • imidazoline
  • chiral ligands

Cite this

Sutcliffe, O.B. ; Bryce, M.R. ; Batsanov, A.S. / Synthesis of novel chiral bis(ferrocenyl) ligands and their use as voltammetric metal cation sensors. In: Journal of Organometallic Chemistry. 2002 ; Vol. 656, No. 1-2. pp. 211-216.
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Synthesis of novel chiral bis(ferrocenyl) ligands and their use as voltammetric metal cation sensors. / Sutcliffe, O.B.; Bryce, M.R.; Batsanov, A.S.

In: Journal of Organometallic Chemistry, Vol. 656, No. 1-2, 08.2002, p. 211-216.

Research output: Contribution to journalArticle

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T1 - Synthesis of novel chiral bis(ferrocenyl) ligands and their use as voltammetric metal cation sensors

AU - Sutcliffe, O.B.

AU - Bryce, M.R.

AU - Batsanov, A.S.

PY - 2002/8

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N2 - Bis(ferrocenyl) derivatives 3a, 3c and 3d containing secondary chelating substituents act as efficient voltammetric sensors of Mg2+ and Zn2+ ions in acetonitrile solution in concentrations as low as 10 mol%: a new redox peak appears in the cyclic voltammogram, positively shifted by 170-225 mV for 3a, 160-175 mV for 3c and 160-170 mV for 3d. Compounds 3b and 4 are selective for Zn2+ (215 mV shift) and Mg2+ (205 mV shift) ions, respectively, whilst 3d is also responsive to Ca2+ ions (165 mV shift) with no interference from a large excess of several other metal salts. The X-ray crystal structure of 3a is also reported.

AB - Bis(ferrocenyl) derivatives 3a, 3c and 3d containing secondary chelating substituents act as efficient voltammetric sensors of Mg2+ and Zn2+ ions in acetonitrile solution in concentrations as low as 10 mol%: a new redox peak appears in the cyclic voltammogram, positively shifted by 170-225 mV for 3a, 160-175 mV for 3c and 160-170 mV for 3d. Compounds 3b and 4 are selective for Zn2+ (215 mV shift) and Mg2+ (205 mV shift) ions, respectively, whilst 3d is also responsive to Ca2+ ions (165 mV shift) with no interference from a large excess of several other metal salts. The X-ray crystal structure of 3a is also reported.

KW - ferrocene

KW - imidazoline

KW - chiral ligands

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