EP 2953935 A2 20151216 - PROCESS FOR PRODUCING PYRAZOLES
Title (en)
PROCESS FOR PRODUCING PYRAZOLES
Title (de)
VERFAHREN ZUR HERSTELLUNG VON PYRAZOLEN
Title (fr)
PROCEDE DE FABRICATION DE PYRAZOLES
Publication
Application
Priority
- FR 1351146 A 20130211
- FR 2014050239 W 20140207
Abstract (en)
[origin: WO2014122407A2] A method for preparing a pyrazole of formula (I) in which R,R' and R'' have different meanings, characterised in that it involves reacting a sydnone of formula (II) in which R and R' have the meanings already indicated, with an alkyne of formula (III) in which R'' has the meaning already indicated, in the presence of copper, to obtain a pyrazole compound of formula (I) that is then isolated and salified if desired.
IPC 8 full level
C07D 231/12 (2006.01); C07D 401/04 (2006.01); C07D 401/12 (2006.01); C07D 403/12 (2006.01); C07D 405/12 (2006.01); C07D 405/14 (2006.01); C07D 409/04 (2006.01); C07H 1/00 (2006.01); C07H 13/04 (2006.01); C07H 15/26 (2006.01); C07H 19/06 (2006.01); C07H 19/073 (2006.01)
CPC (source: EP US)
C07D 231/12 (2013.01 - EP US); C07D 401/04 (2013.01 - EP US); C07D 401/12 (2013.01 - EP US); C07D 403/12 (2013.01 - EP US); C07D 405/12 (2013.01 - EP US); C07D 405/14 (2013.01 - EP US); C07D 409/04 (2013.01 - EP US); C07H 1/00 (2013.01 - EP US); C07H 13/04 (2013.01 - EP US); C07H 15/26 (2013.01 - EP US); C07H 19/06 (2013.01 - EP US); C07H 19/073 (2013.01 - EP US); C07K 5/08 (2013.01 - US)
Citation (search report)
See references of WO 2014122407A2
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2014122407 A2 20140814; WO 2014122407 A3 20141127; EP 2953935 A2 20151216; FR 3001967 A1 20140815; FR 3001967 B1 20150710; US 2015368295 A1 20151224; US 9802980 B2 20171031
DOCDB simple family (application)
FR 2014050239 W 20140207; EP 14709725 A 20140207; FR 1351146 A 20130211; US 201414766048 A 20140207