| abstract |
(57) [Problem] To provide a method for industrially and advantageously producing α, ω-dicarboxylic acids from α, ω-diols. Kind Code: A1 Abstract: A tungsten metal, a molybdenum metal, a tungsten compound comprising tungsten and a Group IIIb, IVb, Vb or VIb element and molybdenum and Α, ω in the presence of a metal oxide catalyst obtained by reacting hydrogen peroxide with at least one selected from the group consisting of molybdenum compounds consisting of IIIb, IVb, Vb or VIb elements. -Α-, ω-dicarboxylic acids characterized by reacting diols (provided that the number of carbon atoms constituting the carbon chain connecting two methylene groups to which hydroxyl groups are bonded is 3 or more) with hydrogen peroxide. Production method. |