Patent ID: 6410797
Filing Date: 2002-06-25
Classification: B01J,C07C

Abstract:
A process for producing a ketoisophorone derivative, which comprises, in the presence of an oxidizing catalyst comprising a complex salt of an element of the Group 7 of the Periodic Table of Elements and an N,Nâ€²-disalicylidenediamne, oxidizing a &bgr;-isophorone derivative represented by the following formula (1): wherein the groups R1 are the same or different, each representing an alkyl group, a cycloalkyl group, an aryl group, or a heterocyclic group in a solvent containing 0 to 4,000 ppm by weight of an acid component to form a ketoisophorone derivative represented by the following formula (2): wherein the groups R1 have the same meaning as defined above.