EP 2491011 A1 20120829 - METHOD FOR PRODUCING URETHANES
Title (en)
METHOD FOR PRODUCING URETHANES
Title (de)
VERFAHREN ZUR HERSTELLUNG VON URETHANEN
Title (fr)
PROCÉDÉ DE PRODUCTION D'URÉTHANNES
Publication
Application
Priority
- EP 09173667 A 20091021
- EP 2010065765 W 20101020
- EP 10766287 A 20101020
Abstract (en)
[origin: WO2011048124A1] The invention relates to a method for producing urethanes by reacting aromatic amines by with a dialkyl carbonate, characterized in that the alkyl radical of the organic dialkyl carbonate comprises 4-18 carbon atoms and is branched in the 2 position, and the reaction is performed in the presence of a hypostochiometric quantity of base relative to the amino groups.
IPC 8 full level
C07C 263/04 (2006.01); C07C 269/04 (2006.01)
CPC (source: EP KR US)
C07C 263/00 (2013.01 - KR); C07C 263/04 (2013.01 - EP KR US); C07C 263/18 (2013.01 - KR); C07C 269/00 (2013.01 - KR); C07C 269/04 (2013.01 - EP KR US)
Citation (search report)
See references of WO 2011048124A1
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2011048124 A1 20110428; BR 112012009485 A2 20160503; CN 102596900 A 20120718; CN 102596900 B 20150909; EP 2491011 A1 20120829; JP 2013508336 A 20130307; JP 5882216 B2 20160309; KR 20120087949 A 20120807; US 2012203022 A1 20120809; US 8871965 B2 20141028
DOCDB simple family (application)
EP 2010065765 W 20101020; BR 112012009485 A 20101020; CN 201080047270 A 20101020; EP 10766287 A 20101020; JP 2012534678 A 20101020; KR 20127012753 A 20101020; US 201013501621 A 20101020