Difluoro phenol is prepared with 2,3,4-trifluoroaniline as a raw material through two steps of diazotization and hydrolysis, and then treated with a suitable method.

• 以2,3,4-三氟苯胺为原料,经过重氮化、水解2步,再采用合适的处理方法得到2,3-二氟苯酚,研究了合成条件。