Journal of Chemistry / 2016 / Article / Tab 3

Research Article

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

Table 3

Effect of preparation methods on 2-hexenal oxidation using 1% Au/MnO2.

MethodConversion%Selectivity%
Dimer2-Hexenoic acid

Sol81.38.389.1
Impregnation76.17.889.1
DP77.66.290.3

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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