An object of the present invention is to provide a commercially advantageous process for preparing a fluoro benzoic acid. The process according to the present invention comprises either alkylating a fluoro benzoic acid of the formula
wherein R1 is halogen, or
reducing a fluoro benzoic acid of the formula
wherein R1 is as defined above and R2 is lower alkyl to thereby produce a fluoro benzoic acid represented by the formula
wherein R1 and R2 are as defined above.
本发明的目的是提供一种具有商业优势的
氟苯甲酸制备工艺。根据本发明的工艺包括将式如下的
氟苯甲酸烷基化
其中 R1 为卤素,或
还原式中的
氟苯甲酸
其中 R1 如上定义,R2 为低级烷基,从而生成由式表示的
氟苯甲酸
其中 R1 和 R2 如上定义。