The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 09, 1991
Filed:
Aug. 31, 1990
Applicant:
Inventors:
Assignee:
Hoffman-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07J / ;
U.S. Cl.
CPC ...
552542 ; 560113 ; 560249 ; 568344 ; 568346 ; 568347 ; 568356 ; 568357 ; 568374 ; 568570 ; 568571 ; 568857 ; 585432 ;
Abstract
The invention is directed to a process for the catalytic oxidation of an isoprenoid containing at least one allylic hydrogen atom, which process comprises reacting the isoprenoid with oxygen or an oxygen-containing gas in an inert solvent in the presence of a N-hydroxydicarboxylic acid imide of the formula ##STR1## wherein A-B stands for CH.sub.2 -CH.sub.2, CH.dbd.CH, an aromatic hydrocarbon residue or a group derived from one of these groups in which one or more hydrogen atoms is/are replaced by alkyl or halogen, to produce a primary of secondary hydroperoxide. The process of the invention is suitable for the manufacture of steroids, vitamins, odorant substances, carotinoids and the like.