[EN] PROCESS FOR PREPARATION OF 2,4,6-TRIFLUOROBENZOIC ACID<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ACIDE 2,4,6-TRIFLUOROBENZOÏQUE
申请人:SRF LTD
公开号:WO2021156893A1
公开(公告)日:2021-08-12
The present invention provides a process for the preparation of 2,4,6-trifluorobenzoic acid, having less than 0.05% of 2,6-difluorobenzoic acid and/or 2,4-difluorobenzoic acid impurities. The 2,4,6-trifluorobenzoic acid is crucial and an important raw material for preparing the photosensitizers, medicines and pesticides, and also finds applications in pharmaceutical and agrochemical industries.
本发明提供了一种制备2,4,6-三氟苯甲酸的方法,其2,6-二氟苯甲酸和/或2,4-二氟苯甲酸杂质含量少于0.05%。2,4,6-三氟苯甲酸是制备光敏剂、药品和农药的关键和重要原料,也在制药和农化工业中得到应用。