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:
Feb. 19, 2008
Filed:
Jul. 10, 2006
Applicant:
Oliver Knopff, Geneva, CH;
Inventor:
Oliver Knopff, Geneva, CH;
Assignee:
Firmenich SA, Geneva, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/67 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the preparation of an optically active 5-substituted cyclohexenone (II) by treating an achiral macrocyclic 3-substituted-1,5-diketone (I) in the presence of an optically active sodium, potassium or cesium alkoxide.