申请人:Celamerck GmbH & Co., KG
公开号:US04453972A1
公开(公告)日:1984-06-12
This invention relates to novel pyridine derivatives of the formula ##STR1## wherein n is 0, 1, or 2; R is an alkyl radical having from 1 to 4 carbon atoms, unsubstituted or substituted by one or more fluorine or chlorine atoms, alkenyl radical having from 2 to 4 carbon atoms, a benzyl radical, or a chlorine-substituted or methyl-substituted benzyl radical; W and X, which may be identical or different, are each a hydrogen, chlorine, fluorine, bromine, or iodine atom or alkyl having from 1 to 4 carbon atoms; Y is a hydrogen, chlorine, fluorine, or bromine atom or alkyl having from 1 to 4 carbon atoms; and Z is a chlorine or fluorine atom. This invention also relates to the preparation of the compounds of Formula I and their use as active ingredients in biocidal, especially, herbicidal, compositions.
本发明涉及一种新的吡啶衍生物,其化学式为##STR1## 其中n为0、1或2;R是一个碳原子数为1到4的烷基基团,未取代或取代一个或多个氟或氯原子,碳原子数为2到4的烯基基团,苯甲基基团或取代氯或甲基的苯甲基基团;W和X可以相同也可以不同,分别是氢、氯、氟、溴或碘原子或碳原子数为1到4的烷基;Y是氢、氯、氟或溴原子或碳原子数为1到4的烷基;Z是氯或氟原子。本发明还涉及化合物I的制备以及它们作为生物杀灭剂,特别是除草剂组合物中的活性成分的用途。