Method for the preparation of 2,5-furandicarboxylic acid and for the preparation of the dialkyl ester of 2,5-furandicarboxylic acid

摘要

The present invention relates to the use of 5-hydroxymethylpurfural ("HMF"), esters of 5-hydroxymethylpurfural, 5-methylfurfural, 5- (chloromethyl) A feed comprising a compound selected from the group consisting of chloromethyl) furoic acid, 2,5-dimethylfuran and mixtures of two or more of these compounds and an oxidant are brought into contact in the presence of an oxidation catalyst at a temperature greater than 140 RTI ID = 0.0 2,5-furan dicarboxylic / RTI acid.