IMPROVED PROCESSES FOR THE PREPARATION OF 1-ARYL-5-ALKYL PYRAZOLE COMPOUNDS
申请人:Merial Limited
公开号:EP2852577A2
公开(公告)日:2015-04-01
[EN] IMPROVED PROCESSES FOR THE PREPARATION OF 1-ARYL-5-ALKYL PYRAZOLE COMPOUNDS<br/>[FR] PROCÉDÉS PERFECTIONNÉS POUR LA PRÉPARATION DE COMPOSÉS 1-ARYL-5-ALKYLPYRAZOLES
申请人:MERIAL LTD
公开号:WO2013159094A2
公开(公告)日:2013-10-24
Provided are improved processes for the preparation of 1 -aryl pyrazole compounds of formula (I) and (IB): which are substituted at the 5-position of the pyrazole ring with a carbon-linked functional group. The process described are efficient and scalable and do not utilize hazardous sulfenyl halide reagents.