Process for the preparation of halogenated benzoic acid derivatives
申请人:Hoffmann-La Roche Inc.
公开号:US08329939B2
公开(公告)日:2012-12-11
The present invention comprises a process for the preparation of 3-chloro-2-fluoro-5-trifluoromethyl benzoic acid of the formula
or of a salt thereof. 3-Chloro-2-fluoro-5-trifluoromethyl benzoic acid or salts thereof are versatile intermediates for the preparation of active pharmaceutical or agrochemical agents.
[EN] PROCESS FOR THE PREPARATION OF HALOGENATED BENZOIC ACID DERIVATIVES<br/>[FR] PROCÉDÉ POUR LA FABRICATION DE DÉRIVÉS HALOGÉNÉS DE L'ACIDE BENZOÏQUE
申请人:HOFFMANN LA ROCHE
公开号:WO2009147068A1
公开(公告)日:2009-12-10
The present invention comprises a process for the preparation of 3-chloro-2-fluoro-5- trifluoromethyl benzoic acid of the formula or of a salt thereof. 3-Chloro-2-fluoro-5-trifluoromethyl benzoic acid or salts thereof are versatile intermediates for the preparation of active pharmaceutical or agrochemical agents.
PROCESS FOR THE PREPARATION OF HALOGENATED BENZOIC ACID DERIVATIVES
申请人:Bachmann Stephan
公开号:US20090306423A1
公开(公告)日:2009-12-10
The present invention comprises a process for the preparation of 3-chloro-2-fluoro-5-trifluoromethyl benzoic acid of the formula
or of a salt thereof. 3-Chloro-2-fluoro-5-trifluoromethyl benzoic acid or salts thereof are versatile intermediates for the preparation of active pharmaceutical or agrochemical agents.