Evaluation of Ferryl Formation by Electrocatalytic Oxidation of Alkene Using Luminol Chemiluminescence

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概要

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• Electrochemical formation of ferryl porphyrin was examined by electrocatalytic oxidation of alkene by measuring luminol chemiluminescence using a flow-injection method. Emission was observed both below the reduction potential of Fe^<III>TMPyP (-0.08V at pH11, -0.02V at pH7 and 0.15V at pH3) and above the oxidation potential (0.6V at pH11, 0.75V at pH7 and 1.1V at pH3). However, both anodic and cathodic emissions were inhibited significantly by the addition of alkene (cyclopent-2-ene-1-acetic acid) solutions downstream of the working electrode. Further, the spectra at both anodic and cathodic sides shifted to the longer wavelength (>424nm) compared to the original spectrum of Fe^<III>TMPyP (422nm), which was not observed with the addition of alkene solution. Therefore, the results suggest that the electrochemically generated oxo-ferryl species have been engaged in catalytic oxidation of alkene before the flow reaches the observation cell.

• 公益社団法人日本薬学会の論文
• 2005-06-01

著者

• Rana Mohammad

  Faculty Of Pharmaceutical Sciences Okayama University

• TAMAGAKE Keietsu

  Faculty of Pharmaceutical Sciences, Okayama University

関連論文

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