Abstract
AbstractAn unsupported nanoporous gold catalyst is employed for the direct coupling of primary alcohols and amines to the corresponding amides in the liquid phase. Among others, the reaction of methanol and dimethylamine to the industrially relevant dimethylformamide proceeds smoothly at 40 °C (turnover frequency≈40 h−1). The activation of molecular oxygen is identified as a key parameter. Doping of the unsupported catalyst by an admetal (Ru, Ag) is used to increase the activity of the catalyst considerably for this reaction (turnover frequency≈100 h−1).
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