醋酸钯/酞菁铁催化氧化环戊烯合成环戊酮的研究

Oxidation of Cyclopentene to Cyclopentanone Catalyzed by PdAc_2/FePc

在乙腈的酸性水溶液中 ,考察了 Pd Ac2 (醋酸钯 ) /Fe Pc(酞菁铁 )催化氧化环戊烯合成环戊酮的催化活性 ,讨论了影响该反应活性的因素及其反应机理。实验结果表明 ,该催化体系对环戊烯的羰基化显示出较高的催化活性 ,反应 1 0 min,反应的平均吸氧速率为 4.2 5× 1 0 -2 mmol/min,环戊酮的收率可达 83%。在乙醇的酸性水溶液中 ,Pd Ac2 /BQ(苯醌 ) /Fe Pc催化环戊烯氧化合成环戊酮的活性高于 Pd Ac2 /Fe Pc的活性 ,反应的平均吸氧速率分别为 1 .45× 1 0 -2 mmol/min,9.0×1 0 -3

In acidic aqueous solution of MeCN, the oxidation of cyclopentene to cyclopentanone catalyzed by PdAc 2/FePc (iron phthalocyanine) was examined. The effect of cyclopentene concentration palladium salts, FePc, acid and reaction mechanism were discussed. The results indicated, catalytic activity was very high, the average rate of O 2 uptake was 4.25×10 -2 mmol/min after 10 min, the yield of cyclopentanone was up to 83%. In acidic aqueous solution of EtOH, the catalytic activity of PdAc 2/BQ(benzoquinone)/FePc was higher than that of PdAc 2/FePc for the oxidation of cyclopentene to cyclopentanone, the average rate of O 2 uptake was 1.45×10 -2 mmol/min, 9.0×10 -3 mmol/min after 10 min.