Preparation of 2-aryl-hydroquinones of formula (I) by oxidizing by an electrochemical route a compound of formula (II):
 wherein A represents an aryl group optionally substituted with groups compatible with the reaction conditions in an acidic aqueous reaction medium, at temperatures within the range of from 10 to 100°C, and with anodes of graphite or PbO₂. The products are used in photography and in the field of liquid-crystal polymers.  
                            通过电
化学方法氧化式(II)化合物制备式(I)的 2-芳基
对苯二酚:
 其中 A 代表芳基,可选择被与反应条件相适应的基团取代,反应介质为酸性
水溶液,温度范围为 10 至 100°C,阳极为石墨或 PbO₂。这些产品可用于摄影和液晶聚合物领域。