EP 1294712 A1 20030326 - PROCESS FOR THE CRYSTALLIZATION OF LOSARTAN POTASSIUM
Title (en)
PROCESS FOR THE CRYSTALLIZATION OF LOSARTAN POTASSIUM
Title (de)
KRISTALLISATIONSVERFAHREN VON LOSARTAN KALIUM
Title (fr)
PROCEDE DE CRISTALLISATION DU LOSARTAN POTASSIUM
Publication
Application
Priority
- IN 0100205 W 20011120
- IN 403CH2001 A 20010518
Abstract (en)
[origin: WO02094816A1] There is disclosed a process to prepare crystalline Form (I) of Losartan Potassium which comprises: i) Reacting compound of formula (I). Where "R" represents hydrogen or triphenylmethyl (trityl) protecting group with potassium hydroxide in an alcohol, and ii) Concentration under reduced pressure to remove alcohol, and iii) Adding an anti-solvent to isolate Losartan Potassium.
IPC 1-7
IPC 8 full level
C07D 403/10 (2006.01)
CPC (source: EP)
C07D 403/10 (2013.01); Y02P 20/55 (2015.11)
Citation (search report)
See references of WO 02094816A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 02094816 A1 20021128; BG 107478 A 20040130; EP 1294712 A1 20030326; JP 2004520446 A 20040708; SI 21236 A 20031231; SK 722003 A3 20031202
DOCDB simple family (application)
IN 0100205 W 20011120; BG 10747803 A 20030117; EP 01274254 A 20011120; JP 2002591489 A 20011120; SI 200120042 A 20011120; SK 722003 A 20011120