One step synthesis of o methyl benzonitrile with o xylene as raw material and benzene carbonate as catalyst was carried out in liquid phase oxygenation.
以邻二甲苯为原料、苯甲酸盐为催化剂进行液相氧化，一步合成邻甲基苯甲腈。
Synthetic methods of vanillin include o-methoxyphenol method, lignin method, safrole method, eugenol method, methyl hydroxybenzene method and microbial method.
生产方法主要有愈创木酚法、 木质素法、 黄樟素法、 丁香酚法、 甲酚法和微生物法等。
Original producing o(p) -nitrophenyl methyl ether methods are batch process with long cycle, high energy consumption and low efficiency.
生产邻（对）硝基苯甲醚的传统方法都是间歇法操作， 周期长、能耗高、效率低。
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