申请人:Siemens Aktiengesellschaft
公开号:US06096921A1
公开(公告)日:2000-08-01
The invention relates to novel o-aminophenolcarboxylic acids, and o-aminothiophenolcarboxylic acids of the following structure: ##STR1## where A.sup.1 to A.sup.7 are--independently of one another--H, F, CH.sub.3, CF.sub.3, OCH.sub.3, OCF.sub.3, CH.sub.2 CH.sub.3, CF.sub.2 CF.sub.3, OCH.sub.2 CH.sub.3 or OCF.sub.2 CF.sub.3, where at least one of the radicals A.sup.1 to A.sup.3 must be F or an F-containing group; T is O or S, and m is 0 or 1; and Z is a carbocyclic or heterocyclic aromatic radical.
该发明涉及以下结构的新型o-氨基苯酚羧酸和o-氨基硫苯酚羧酸:##STR1## 其中A.sup.1到A.sup.7是独立的,可以是H,F,CH.sub.3,CF.sub.3,OCH.sub.3,OCF.sub.3,CH.sub.2 CH.sub.3,CF.sub.2 CF.sub.3,OCH.sub.2 CH.sub.3或OCF.sub.2 CF.sub.3,其中至少一个A.sup.1到A.sup.3的基团必须是F或含F的基团;T是O或S,m为0或1;Z是一个碳环或杂环芳基团。