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Electrocatalytic Oxidation of Vitamin B6 by 4-Hydroxy- 2,2,6,6-tetramethylpiperidine-N-oxyl

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【Author】 LI, Yana,b WEN, Xiao-Lina LIU, Zhong-Li*, a National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, China b Department of Management, Zhejiang Pharmaceutical College, Ningbo, Zhejiang 315100, China

【机构】 National Laboratory of Applied Organic Chemistry, Lanzhou University,National Laboratory of Applied Organic Chemistry, Lanzhou University,National Laboratory of Applied Organic Chemistry, Lanzhou University Lanzhou, Gansu 730000, China； Department of Management, Zhejiang Pharmaceutical College, Ningbo, Zhejiang 315100, China, Lanzhou, Gansu 730000, China , Lanzhou, Gansu 730000, China；

【Abstract】 The electrochemistry of pyridoxine (vitamin B6, VB6) was studied by cyclic voltammetry at a glassy carbon electrode. The electrochemical response of VB6 could be significantly enhanced by using 4-hydroxy-2,2,6,6-tetra- methylpiperidine-N-oxyl (HO-TEMPO) as a mediator via an electrocatalytic EC’ mechanism with the oxoammo-nium ion of HO-TEMPO as the active oxidant. The catalytic rate constant was determined to be 5.4×103 (mol L-1)-1s-1 by using chronoamperometry.更多还原

【关键词】 cyclic voltammetry； catalytic electrooxidation； vitamin B6； nitroxide；
【Key words】 cyclic voltammetry； catalytic electrooxidation； vitamin B6； nitroxide；

【基金】 Project supported by the National Natural Science Foundation of China (Nos. 20172025 and 20332020).

【文献出处】 Chinese Journal of Chemistry ,中国化学(英文版) , 编辑部邮箱 ,2004年11期

【分类号】O621
【被引频次】2
【下载频次】2

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