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研究了西佛碱钴络合物和四苯基卟啉钴(TPP-Co)在CHCl_3溶剂中对各种酚的催化氧化性能。发现TPP-Co在室温下可使萘酚氧化成萘醌。在催化氧化α-萘酚过程中,TPP-Co的钴主要处于二价状态,三价卟啉钴的浓度很小。提出了TPP-Co催化α-萘酚氧化为萘醌的可能反应机理。
The catalytic oxidation of various complexes of Schiff base cobalt complexes and tetraphenylporphyrin cobalt (TPP-Co) in various CHCl_3 solvents was studied. TPP-Co was found to oxidize naphthol to naphthoquinone at room temperature. During the catalytic oxidation of α-naphthol, the cobalt of TPP-Co is mainly in the divalent state, and the concentration of trivalent porphyrin cobalt is very small. The possible reaction mechanism of TPP-Co catalyzed oxidation of α-naphthol to naphthoquinone was proposed.