EP 2046750 A2 20090415 - PROCESS FOR THE PREPARATION OF MONTELUKAST
Title (en)
PROCESS FOR THE PREPARATION OF MONTELUKAST
Title (de)
VERFAHREN ZUR HERSTELLUNG VON MONTELUKAST
Title (fr)
PROCÉDÉ DE PRÉPARATION DE MONTELUKAST
Publication
Application
Priority
- GB 2007002790 W 20070723
- GB 0614485 A 20060721
Abstract (en)
[origin: WO2008009970A2] A process of preparing montelukast, or a pharmaceutically acceptable salt thereof, which process comprises reacting a protected intermediate of formula (II) as defined in the specification with a cyclopropyl intermediate.
IPC 8 full level
C07D 215/18 (2006.01)
CPC (source: EP)
C07D 215/18 (2013.01); Y02P 20/55 (2015.11)
Citation (search report)
See references of WO 2008009970A2
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 MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
WO 2008009970 A2 20080124; WO 2008009970 A3 20080410; CA 2658473 A1 20080124; EP 2046750 A2 20090415; GB 0614485 D0 20060927; IL 196602 A0 20091118
DOCDB simple family (application)
GB 2007002790 W 20070723; CA 2658473 A 20070723; EP 07766340 A 20070723; GB 0614485 A 20060721; IL 19660209 A 20090120