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:
Jun. 24, 2008
Filed:
Jul. 12, 2006
Applicants:
Jean-claude Caille, Angers, FR;
Marc Mauduit, Rennes, FR;
Inventors:
Jean-Claude Caille, Angers, FR;
Marc Mauduit, Rennes, FR;
Assignee:
ZaCh System, Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 249/00 (2006.01); C07C 251/00 (2006.01); C07C 259/00 (2006.01); C07C 291/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides the diastereoselective alkylation of optically active nopinone to form the compound of formula (I) according to scheme A below: in which: The compound of formula (I) is a valuable synthetic intermediate.