abstract |
PRECISION OF DISCLOSURE: The subject of the present invention is a process for oxy-donation of .beta.-isophorone to obtain trimethyl-3,5,5 cyclohexene-2-dione-1,4 using molecular oxygen or a oxygen-containing gas, operating in a solvent medium liquid organic, this oxidation transforming the product or a dicarbonyl derivative. This process is characterized in that the oxidation is carried out in the presence of a mineral base or ganic and a cobalt or manganese chelate. |