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:
Aug. 25, 2015
Filed:
Jan. 21, 2009
Applicants:
Muriel Albalat, Coudoux, FR;
Geraldine Primazot, Compiegne, FR;
Didier Wilhelm, Issy les Moulineaux, FR;
Jean-claude Vallejos, La Ciotat, FR;
Inventors:
Muriel Albalat, Coudoux, FR;
Geraldine Primazot, Compiegne, FR;
Didier Wilhelm, Issy les Moulineaux, FR;
Jean-Claude Vallejos, La Ciotat, FR;
Assignee:
WEYLCHEM LAMOTTE S.A.S., Trusly Breuil, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B 57/00 (2006.01); C07C 213/00 (2006.01); C07C 233/47 (2006.01); C07C 213/10 (2006.01); C07C 217/40 (2006.01); C07C 217/48 (2006.01);
U.S. Cl.
CPC ...
C07C 233/47 (2013.01); C07C 213/10 (2013.01); C07C 217/40 (2013.01); C07C 217/48 (2013.01); C07B 2200/07 (2013.01);
Abstract
The invention relates to a process for preparing optically active α-aminoacetals by resolution of a racemic mixture or of a mixture of enantiomers via the formation of diastereoisomeric salts, and also novel intermediates in the form of diastereoisomeric salts.