The title compound was synthesized from 2,4 difluoroaniline by five reactions such as arylation,Friedel Crafts acylation, Baeyer Villiger reaction,saponification and carbonation.

• 研究了以2，4?二氟苯胺为原料，经芳烃偶联反应、傅－ 克酰化反应、拜耳－ 维利格反应、水解反应、羧化反应来合成氟苯水杨酸这一工艺路线。