Journal of Chemistry / 2016 / Article / Tab 2

Research Article

Synthesis of Carboxylic Acid by 2-Hexenal Oxidation Using Gold Catalysts Supported on MnO2

Table 2

Effect of bimetal on 2-hexenal oxidation.

CatalystConversion%Selectivity%
Dimer2-Hexenoic acid

Au/MnO281.38.389.1
Au-Pd/MnO283.38.089.9
Pd/MnO273.67.589.2

Reaction conditions: 4.23 g of 2-hexenal, 0.06 g of catalyst, 50°C, 24 h, atmospheric pressure.
Dimer: 4,6-dipropyl-3,4,5,6-tetrahydropyran-2-one-5-carboxaldehyde.

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