EP 1879852 A1 20080123 - PREGABALIN FREE OF LACTAM AND A PROCESS FOR PREPARATION THEREOF
Title (en)
PREGABALIN FREE OF LACTAM AND A PROCESS FOR PREPARATION THEREOF
Title (de)
LACTAMFREIES PREGABALIN UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
PREGABALINE EXEMPTE DE LACTAME ET SON PROCEDE DE PREPARATION
Publication
Application
Priority
- US 2006013360 W 20060411
- US 67978405 P 20050510
- US 68969905 P 20050609
- US 73300605 P 20051102
- US 73506905 P 20051108
Abstract (en)
[origin: WO2006121557A1] The present invention encompasses Pregabalin substantially free of Lactam and a process for obtaining Pregabalin substantially free of Lactam comprising extracting an acidic mixture containing a complex of Pregabalin with a strong mineral acid, with a C<SUB>3-8 </SUB>alcohol; and combining the organic phase with an organic base.
IPC 8 full level
C07C 229/08 (2006.01); A61K 31/197 (2006.01); A61P 25/00 (2006.01); G01N 30/00 (2006.01)
CPC (source: EP)
A61P 25/00 (2017.12); C07C 229/08 (2013.01); G01N 30/8675 (2013.01); G01N 2030/027 (2013.01); G01N 2030/8813 (2013.01); G01N 2030/8818 (2013.01)
Citation (search report)
See references of WO 2006121557A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2006121557 A1 20061116; EP 1879852 A1 20080123; IL 185033 A0 20071203
DOCDB simple family (application)
US 2006013360 W 20060411; EP 06749676 A 20060411; IL 18503307 A 20070802