Electrochemical Catalytic Chlorination of Bergenin by Chloroperoxidase Modified Electrode

doi:10.7503/cjcu20120965

Abstract

Abstract:

A chloroperoxidase(CPO) modified electrode was fabricated by drop-coating the mixture solution of CPO and didodecyldimethylammonium bromide(DDAB) onto the glassy carbon electrode surface. Direct electron transfer of immobilized CPO was observed from cyclic voltammogram. The CPO modified electrode was further used as the working electrode for electrocatalytic chlorination of bergenin in O₂-saturated bergenin solution containing potassium chloride. The chlorinated product was confirmed by HPLC-MS. The total turnover number(TTN) of the reaction is estimated to be 13600.

Key words: Chloroperoxidase, Modified electrode, Bergenin, Biocatalysis, Electrochemical catalysis, Chlorination

CLC Number:

O646

TrendMD:

WANG Ke, WU Xia-Qin, LI Lin, TIAN Hai-Tao, LU Zhong-Qing. Electrochemical Catalytic Chlorination of Bergenin by Chloroperoxidase Modified Electrode[J]. Chem. J. Chinese Universities, 2013, 34(7): 1739.

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Electrochemical Catalytic Chlorination of Bergenin by Chloroperoxidase Modified Electrode

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