
doi: 10.1246/cl.2008.50
Abstract Dibutyl 2,5-furandicarboxylate (2) and dibutyl 2,3-furandicarboxylate (3) were synthesized using one step from galactaric acid and 1-butanol. Sulfuric acid, p-toluenesulfonic acid, and heteropolyacids were good catalysts for the reaction. The reaction time was dependent on the amount of the catalyst, but the final yields of the main product, 2 remained unchanged.
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