| abstract |
(57) [Summary] [Purpose] Polyester polyol, nylon, fiber, Provided is an industrially advantageous method for producing 3-methylglutaric acid, which is useful as a main raw material or additive for lubricating oils, plasticizers, pharmaceutical intermediates and the like. [Structure] A compound selected from the group consisting of β-methyl-δ-valerolactone, 2-hydroxy-4-methyltetrahydropyran and 3-methyl-1,5-pentanediol is oxidized in the presence of an oxidation catalyst and water. A method for producing 3-methylglutaric acid, which comprises oxidizing. |