| abstract |
The invention provides a preparation method and application of high-purity dimethyl 3-isobutylglutarate. Specifically, the present invention provides a method for preparing dimethyl 3-isobutylglutarate shown in formula 2, comprising the steps of: in methanol, in the presence of potassium permanganate and concentrated sulfuric acid, making 3-isobutylglutaric acid reacts to obtain high-purity dimethyl 3-isobutylglutaric acid. The method of the invention is simple, easy to control, high in product conversion rate, mild in reaction conditions, convenient for industrial production and low in cost, easy to purify the product, and has a purity of over 99 percent. |