| 3. | The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid , p - toluene sulfonic acid , amino sulfonic acid , strongly acidic cationic exchange resin , ferric chloride hexahydrate , aluminum chloride hexahydrate , stannic chloride pentahydrate , copper sulfate , titanium sulfate , rare earth metal oxide , sodium bisulfate monohydrate , solid super acid and heteropoly acid and so on are reviewed
摘要评述了硫酸、对甲苯磺酸、氨基磺酸、强酸性阳离子交换树脂、六水合三氯化铁、六水合三氯化铝、五水四氯化锡、硫酸铜、硫酸钛、稀土金属氧化物、一水硫酸氢钠、固体超强酸、杂多酸等催化剂催化合成对羟基苯甲酸乙酯的方法。 |
