申请人:UBE Industries, Ltd.
公开号:US04831190A1
公开(公告)日:1989-05-16
There are disclosed 2,4,5-Trifluoro-3-hydroxybenzoic acid represented by the following formula (I): ##STR1## and a salt thereof and a process for preparing the same. Further, there is disclosed a process for preparing 3,5,6-trifluoro-4-hydroxyphthalic acid, which is employed for preparing the above compound.
本发明公开了以下公式(I)所代表的2,4,5-三氟-3-羟基苯甲酸:##STR1##及其盐和制备该化合物的方法。此外,本发明还公开了制备3,5,6-三氟-4-羟基邻苯二甲酸的方法,该方法用于制备上述化合物。