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:
Apr. 26, 2011
Filed:
Feb. 01, 2007
Applicants:
Hubert Mimoun, Challex, FR;
Serge Bonnaudet, Vouvray, FR;
Inventors:
Hubert Mimoun, Challex, FR;
Serge Bonnaudet, Vouvray, FR;
Assignee:
Firmenich SA, Geneva, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/52 (2006.01); C07C 45/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a preparation of β-γ ene carboxylic or ketone derivatives, which may also have particular requirement on the configuration of the carbon-carbon double bond. The method requires a thermal treatment of α-β unsaturated malonate or acetylacetonate derivatives in the presents of at least one carboxylic acid and at least one alkaline, alkaline-earth or lanthanide halide or carboxylates.