采用共沉淀法与柠檬酸法合成了铁酸镁,并用X射线衍射和红外光谱等对不同样品进行了表征. 以三甲基苯酚为原料,以铁酸镁为催化剂,以双氧水为氧化剂,实现了一步羟化为三甲基对苯二酚(维生素E重要中间体)的目的. 详细考察了催化剂、温度、溶剂和双氧水等因素对该反应体系的影响. 结果表明,铁酸镁对该反应体系具有很好的催化效果,较常用的羟化催化剂TS-1分子筛等的催化性能好得多. 该过程可以进一步研究发展成为一个环境友好催化过程.
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