β-(1,2)-萘醌电化学行为研究

Electrochemistry studies on β-(1,2)-Naphthoquinone

研究邻萘醌类母核化合物β-(1,2)-萘醌在乙腈体系的电化学行为.结果表明,β-(1,2)-萘醌的电化学还原过程并非如1,4-对苯醌乙腈体系的简单的两步单电子过程,推测可能存在后行化学反应.同时运用现场红外光谱电化学技术观察到其氧化还原过程均存在半醌自由基中间体在一定电位下的生成、继而消去的现象.

Electrochemical characters of β-（1,2）-Naphthoquinone were studied in Acetonitrile solvent.The electrochemical process of β-（1,2）-Naphthoquinone was not a simple two-step one-electron cathodic reduction.Actually there were some other complicated chemical processes,and In-situ difference FTIR Spectroelectrochemistry techniques were used to track the whole electrochemical redox process as variable potential.The intermediate semiquinone anion radical appearance and disappearance were clearly observed.