电化学法合成邻、间、对三氟甲基苯甲酸

Electrosynthesis of o ,m ,p Trifluoromethylbenzoic Acids

以三氟甲基卤代苯为原料在CO2 存在下用电化学法合成邻 、间 、对 三氟甲基苯甲酸 ,研究了影响反应的主要条件电极材料、反应温度等对反应的影响。得出了该类反应的较佳条件为 :用镀锌不锈钢做阴极 ,阳极为金属镁 ,反应温度 10℃以下 ,反应收率达到 70 %～ 80 %。

The main reaction conditions such as cathode materials,temperature,etc.,in electrosynthesis of o-,m-,p-trifluoromethylbenzoic acids from trifluoromethylphenyl halides in the presence of CO2 were studied.The optimal conditions were obtained and the yields were up to 70%-80%.