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DICHLORO-2,4-FLUORO-5-BENZONITRILE AND PROCESSES FOR ITS PREPARATION, ITS APPLICATION TO THE PREPARATION OF CHLORO-2-DIFLUORO-4,5-BENZOUIC ACID AND A NEW PROCESS FOR PREPARATION
DICHLORO-2,4-FLUORO-5-BENZONITRILE AND PROCESSES FOR ITS PREPARATION, ITS APPLICATION TO THE PREPARATION OF CHLORO-2-DIFLUORO-4,5-BENZOUIC ACID AND A NEW PROCESS FOR PREPARATION
The invention relates to dichloro-2,4-fluoro-5-benzonitrile, of formula: ## STR2 ## which is used as a basic product. for the synthesis of chloro-2-difluoro-4,5-benzoic acid, by passing through chloro-2-difluoro 4,5-benzonitrile of formula: BR/ (CF DRAWING IN BOPI) BR/ BR / obtained by selective fluorination BR/ Application to the preparation of chloro-2-difluoro-4,5-benzoic acid by hydrolysis of chloro-2-difluoro-4,5-benzonitrile in an aqueous acid medium. / P
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机译：本发明涉及通式为## STR2 ##的二氯-2，4-氟-5-苄腈，其被用作基本产物。用于合成氯-2-二氟-4,5-苯甲酸的方法是，使氯-2-二氟4,5-苯甲腈通过式： （CF DRAWING IN BOPI）
