The present invention relates to novel processes for the production of compounds of formula (I) wherein Hal and Hal′ are independently Cl or F, and R
1
is H, Cl or F.
[EN] PROCESSES FOR THE PREPARATION OF PYRAZOLES<br/>[FR] PROCEDES DE PREPARATION DE PYRAZOLES
申请人:SYNGENTA PARTICIPATIONS AG
公开号:WO2009000442A2
公开(公告)日:2008-12-31
(EN) The present invention relates to novel processes for the production of compounds of formula (I) wherein Hal and Hal' are independently Cl or F, and R1 is H, Cl or F.(FR) La présente invention concerne de nouveaux procédés de production de composés représentés par la formule I dans laquelle Hal et Hal' sont indépendamment Cl ou F, et R1 est H, Cl ou F.
Process for the production of pyrazoles
申请人:Syngenta Participations AG
公开号:EP2008996A1
公开(公告)日:2008-12-31
The present invention relates to novel processes for the production of compounds of formula I