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:
Oct. 17, 2006
Filed:
Aug. 05, 2002
Celal Ates, Louvain-la-Neuve, BE;
John Surtees, Jezus-Eik, BE;
Anne-catherine Burteau, Grand-Leez, BE;
Violeta Marmon, Abingdon-Oxon, GB;
Emile Cavoy, Ham-sur-Heure, BE;
Celal Ates, Louvain-la-Neuve, BE;
John Surtees, Jezus-Eik, BE;
Anne-Catherine Burteau, Grand-Leez, BE;
Violeta Marmon, Abingdon-Oxon, GB;
Emile Cavoy, Ham-sur-Heure, BE;
UCB, S.A., Bruxelles, BE;
Abstract
The present invention relates to an improved process for the preparation of (S)-(−)-α-ethyl-2-oxo-1-pyrrolidine acetamide and analogues thereof. The invention also relates to compounds of the general formula (6) wherein Ris methyl or ethyl; and Ris C?2#191–C?4#191 alkyl, C?2#191–C?4#191 alkenyl or C?2#191–C?4#191 alkynyl, optionally substituted by one or more halogen, and their preparation processes