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:
Mar. 01, 2005
Filed:
May. 30, 2003
Applicants:
Michel Bulliard, Angers, FR;
Blandine Laboue, Angrie, FR;
Jean-francois Pluvie, Angers, FR;
Sonia Roussiasse, Ecouflant, FR;
Tony Pintus, Bouchemaine, FR;
Inventors:
Michel Bulliard, Angers, FR;
Blandine Laboue, Angrie, FR;
Jean-Francois Pluvie, Angers, FR;
Sonia Roussiasse, Ecouflant, FR;
Tony Pintus, Bouchemaine, FR;
Assignee:
PPG-SIPSY, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D207/00 ;
U.S. Cl.
CPC ...
Abstract
A method for preparing pyrrolidine derivatives comprising cyclizing a compound of formula (I):in the presence of: a) a catalyst, b) a primary amine and c) a base, in a solvent to obtain pyrrolidine derivative of formula (II) below: