| abstract |
(57) [Summary] [Objective] The main object is to provide a method capable of producing 2,6-NDCA with high yield and high purity. In a solvent containing an aliphatic monocarboxylic acid having 3 or less carbon atoms, (a) a cobalt compound and / or a manganese compound, (b) at least one compound of chromium, zirconium and iron, and (c) bromine or A method for producing 2,6-naphthalenedicarboxylic acid, which comprises oxidizing 2,6-diisopropylnaphthalene with molecular oxygen in the presence of the compound. |