|
|
US 7,462,714 B2 |
|
| Process for the industrial synthesis of the methyl diester of 5-amino-3-carboxymethyl-4-cyano-2-thiophenecarboxylic acid,
and application to the synthesis of bivalent salts of ranelic acid and their hydrates |
| Lucile Vaysse-Ludot, Saint-Wandrille-Rancon (France); Jean-Pierre Lecouve, Le Havre (France); and Pascal Langlois, Saint Jean de la Neuville (France) |
| Assigned to Les Laboratoires Servier, Courbevoie Cedex (France) |
| Filed on Feb. 21, 2006, as Appl. No. 11/358,034. |
| Application 11/358034 is a division of application No. 10/669738, filed on Sep. 24, 2003, granted, now 7,105,683. |
| Claims priority of application No. 02 11764 (FR), filed on Sep. 24, 2002. |
| Prior Publication US 2006/0142567 A1, Jun. 29, 2006 |
| Int. Cl. C07D 265/30 (2006.01)
|
