EP 2240470 A4 20120523 - IMPROVED AND NOVEL PROCESS FOR THE PREPARATION OF BOSENTAN
Title (en)
IMPROVED AND NOVEL PROCESS FOR THE PREPARATION OF BOSENTAN
Title (de)
VERBESSERTES UND NEUES VERFAHREN ZUR HERSTELLUNG VON BOSENTAN
Title (fr)
PROCÉDÉ PERFECTIONNÉ ET NOUVEAU POUR LA PRÉPARATION DE BOSENTAN
Publication
Application
Priority
- IN 2009000032 W 20090109
- IN 103CH2008 A 20080110
- IN 2334CH2008 A 20080924
Abstract (en)
[origin: WO2009095933A2] The present invention relates to an improved and novel process for the preparation of bosentan compound of formula (1). The present invention also relates to a crystalline form of bosentan and its intermediates.
IPC 8 full level
C07D 239/47 (2006.01); C07D 239/52 (2006.01)
CPC (source: EP)
C07D 239/47 (2013.01); C07D 239/52 (2013.01)
Citation (search report)
- [ID] US 5292740 A 19940308 - BURRI KASPAR [CH], et al
- See references of WO 2009095933A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2009095933 A2 20090806; WO 2009095933 A3 20110630; EP 2240470 A2 20101020; EP 2240470 A4 20120523
DOCDB simple family (application)
IN 2009000032 W 20090109; EP 09705099 A 20090109