Exploitation of Synthetic Reactions via C-H Bond Activation by Transition Metal Catalysts. Carboxylation and Aminomethylation of Alkanes or Arenes
摘要：
Unactivated alkanes, including methane, ethane, and propane, can be carboxylated with CO by palladium and/or copper catalysts in TFA at 80°C with high turnover numbers of the catalysts. The Pd-Cu mixed catalyst (1:1) exhibits extremely high activity for the carboxylation of alkanes other than methane. Methane is best transformed to acetic acid by the Cu catalyst. The reaction of methane with CO 2 also gives acetic acid. The present method also causes a quantitative conversion of arenes such as benzene and chlorobenzene into the corresponding carboxylic acids with 1atm CO at room temperature. In addition, gaseous alkanes can be aminomethylated with TERT-amine N-oxides by Cu catalysts in TFA at 150°C.
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DOI：
10.1055/s-1996-5541
被引量：
年份：
1996
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