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Citation: Chen Gang, Lu Jiaxing, Xu Chengtian, Chen Liang, Zhang Wuchang. Asymmetric Reduction of Acetophenone Using L-Valine Methyl Ester Modified Graphite Electrode[J]. Chinese Journal of Applied Chemistry, ;1996, 13(3): 87-89. shu

Asymmetric Reduction of Acetophenone Using L-Valine Methyl Ester Modified Graphite Electrode

1.
Department of Chemistry, East China Normal University, Shanghai 200062

Received Date: 20 September 1995
Available Online: 20 December 1995
Fund Project:

We have prepared covalently modified graphite electrodes(CelValM)that bind L-valine methyl ester to their surface via amide bonds,thereby providing a stable,chiral interfacial region for the reduction of acetophenone.The optical yield(o.y.)and chemical yield (c.y.)of S(-)-1-phenylethanol were measured as a function of CelValM cathode potential, current density,amount of electricity passed,substrate concentration,pH,and the number of repeated use of electrodes.The highest o.y.was 15.8%.The characteristics and kinetic parameters of electrode processes were determined by potentiodynamic method and rotating disk electrode.A possible mechanism of the asymmetric electroreduction of acetophenone was forwarded.
- L-valine methyl ester,
- modified electrode,
- asymmetric reduction,
- acetophenone
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