用甲基三辛基氯化铵和钨酸钠一步法合成甲基三辛基季铵钨酸盐离子液体[(CH3) N(n-C8 H17)3]2W2 O11,以该离子液体为催化剂,在无反应溶剂条件下催化过氧化氢氧化苯甲醇生成苯甲酸.考察了反应温度、催化剂用量以及氧化剂过氧化氢用量对苯甲酸产率的影响.确定优化条件:反应温度70℃,苯甲醇用量5 mmol,催化剂用量是底物的0.4％(摩尔分数),30％过氧化氢用量2 mL,苯甲醇的转化率可达99％,苯甲酸选择性为98％.该方法具有反应条件温和、产率高和选择性好的优点.
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