EP 2079716 A1 20090722 - METHOD FOR PRODUCING BISBENZOXAZOLES
Title (en)
METHOD FOR PRODUCING BISBENZOXAZOLES
Title (de)
VERFAHREN ZUR HERSTELLUNG VON BISBENZOXAZOLEN
Title (fr)
PROCÉDÉ DE PRODUCTION DE BISBENZOXAZOLES
Publication
Application
Priority
- EP 2007008681 W 20071005
- DE 102006047618 A 20061009
Abstract (en)
[origin: DE102006047618B3] Preparation of a bisbenzoxazole compound bonded together over a conjugated double bond system comprises reacting at least an o-aminophenol with at least a dicarboxylic acid, whose carboxyl group is bonded over a double bond or conjugated double bond system, to give an ammonium salt; and reacting the ammonium salt with a solvent that exhibiting low dielectric loss, under microwave radiation, in the presence of a dehydrating catalyst.
IPC 8 full level
C07D 263/62 (2006.01)
CPC (source: EP US)
C07D 263/62 (2013.01 - EP US); C07D 263/64 (2013.01 - EP US); C07D 413/06 (2013.01 - EP US); C07D 413/10 (2013.01 - EP US)
Citation (search report)
See references of WO 2008043496A1
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
DOCDB simple family (publication)
DE 102006047618 B3 20071115; AU 2007306667 A1 20080417; BR PI0719843 A2 20140429; CA 2666174 A1 20080417; CN 101516861 A 20090826; CN 101516861 B 20140716; EP 2079716 A1 20090722; JP 2010505894 A 20100225; MX 2009003851 A 20090423; US 2010076040 A1 20100325; US 8067612 B2 20111129; WO 2008043496 A1 20080417
DOCDB simple family (application)
DE 102006047618 A 20061009; AU 2007306667 A 20071005; BR PI0719843 A 20071005; CA 2666174 A 20071005; CN 200780034335 A 20071005; EP 07818757 A 20071005; EP 2007008681 W 20071005; JP 2009531753 A 20071005; MX 2009003851 A 20071005; US 44463007 A 20071005