申请人:Amchem Products Inc.
公开号:US04252979A1
公开(公告)日:1981-02-24
The novel compounds of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each either hydrogen or an alkyl group containing from 1 to 4 carbon atoms, and maybe the same or different, are useful intermediates in a novel process for the preparation of herbicidally active compounds such as 2,5-dichloro-3-nitro-benzoic acid, 2,5-dichloro-3-amino-benzoic acid and their functional derivatives.
该公式的新化合物为: ##STR1## 其中R.sup.1和R.sup.2分别为氢或含有1至4个碳原子的烷基基团,可能相同也可能不同,它们是一种新型除草剂活性化合物的有用中间体,例如2,5-二氯-3-硝基苯甲酸、2,5-二氯-3-氨基苯甲酸及其功能衍生物的制备过程中。