A liquid phase oxidation of benzyl alcohol with 1 atm molecular oxygen catalyzed by MoVTeNb mixed oxides has been investigated. It is demonstrated that 4-dimethylaminopyridine (DMAP) acting as a co-catalyst, notably accelerates the reaction, as well as influences the ratio of the reaction products (benzaldehyde, benzyl benzoate and benzoic acid). The findings can be interpreted in terms of the involvement of DMAP (a good enough N-nucleophile) in the process of chemo-desorption of oxygenates formed on the catalyst surface.

中文翻译：

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4-二甲氨基吡啶对MoVTeNb混合氧化物对苯甲醇选择性氧化的促进作用

研究了由MoVTeNb混合氧化物催化的1atm分子氧对苯甲醇的液相氧化。已经证明，作为助催化剂的4-二甲基氨基吡啶（DMAP）显着加速了反应，并影响了反应产物（苯甲醛，苯甲酸苄酯和苯甲酸）的比例。可以用DMAP（足够好的N-亲核试剂）参与在催化剂表面上形成的含氧化合物的化学脱附过程来解释这一发现。