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Abstract

Electrochemical-ESR technique with spin trap phenyl-t-butyl nitrone(PBN)was used to study the intermediates of electroreduction of allyl alcohol at platinized platinum electrode in acidic alcohol-aqua solution. Hydrogen and allyl group and(or)propyl group radicals were identified by a hyperfine spectrum of the radical adducts,and that provided a direct evidence for the presence of these radicals in the electroreduction of allyl alcohol.

Keywords

Allyl alcohol, Electroreduction, Electrochemieal-ESR, Spin trapping

Publication Date

1996-08-28

Online Available Date

1996-08-28

Revised Date

1996-08-28

Received Date

1996-08-28

References

1Horanyi,G.ElectrocatalyticreductivesplittingofC=OandC-OHbondsatplatinumelectrodes.Electrochilm.Acta,1986,31(9):10952陈剑,刘佩芳等;不饱和醇电还原的质谱-电化学循环伏安(MSCV)法研究。化学学报,1993,51:1503JanzenEG.BlackburnBJ.Detectionandidentifictionofshort-livedfreeradicalsbyelectronspinresonancetrappingtechniques(spintrapping).Photolysisoforganolead,-tin,and-mercurycompounds.J.Am.Chem.Soc.,1969,91(16):44814KasalPH,McleadD.DetectionbyspintrappingofHandOHradicalsgeneratedduringelectrolysisofwater,J.Phys.Chem.,1978,82(5):6195KraeutlerB,JaegerCD,BardAJ.Directobservationofradicalintermediatesinthephoto-kolbereactionheterogenousphotocatalyicradicalformationbyelectronsoinresonance.J.Am.Chem.Soc.,1978,100(15):4903

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