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:
Nov. 17, 2009
Filed:
Jul. 25, 2002
Eva Csikós, Budapest, HU;
Csaba Gönczi, Budapest, HU;
Felix Hajdú, Budapest, HU;
István Hermecz, Budapest, HU;
Gergely Héja, Szentendre, HU;
Gergelyné Héja, Szentendre, HU;
Csilla Majláth, Budapest, HU;
Lajos Nagy, Szentendre, HU;
Andrea Sántáné Csutor, Budapest, HU;
Tiborné Szomor, Budapest, HU;
Györgyné Szvoboda, Dunakeszi, HU;
Eva Csikós, Budapest, HU;
Csaba Gönczi, Budapest, HU;
Felix Hajdú, Budapest, HU;
István Hermecz, Budapest, HU;
Gergely Héja, Szentendre, HU;
Gergelyné Héja, Szentendre, HU;
Csilla Majláth, Budapest, HU;
Lajos Nagy, Szentendre, HU;
Andrea Sántáné Csutor, Budapest, HU;
Tiborné Szomor, Budapest, HU;
Györgyné Szvoboda, Dunakeszi, HU;
sanofi-aventis, Paris, FR;
Abstract
The invention relates to a process for the preparation of a compound of the formula (I) by reacting a compound of the formula (II) with a compound of the formula (III) characterized by dissolving the compounds of the formula (II) and formula (III) in a water-inmiscible organic solvent in the presence of a phase transfer catalyst, reacting with a.) an aqeuos solution of a base, or b.) a base in solid form directly and if desired transforming the compound of formula (I) thus obtained into its salt.