申请人:May & Baker Limited
公开号:US04185992A1
公开(公告)日:1980-01-29
Imidazole derivatives of the formula: ##STR1## wherein R.sup.1 represents hydrogen, or an alkyl group containing from 1 to 10 carbon atoms or an alkenyl or alkynyl group containing from 2 to 10 carbon atoms, and R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represent hydrogen, halogen or trifluoromethoxy, or a methyl, ethyl, propyl or isopropyl group optionally substituted by one or more fluorine atoms, or one of the symbols R.sup.2, R.sup.3 and R.sup.4 represents methoxy and at least one of the other symbols R.sup.2, R.sup.3 and R.sup.4 represents halogen or trifluoromethoxy or a methyl, ethyl, propyl or isopropyl group optionally substituted by one or more fluorine atoms, are new compounds useful as herbicides.
咪唑衍生物的化学式为:##STR1## 其中 R.sup.1 代表氢,或者含有1至10个碳原子的烷基基团,或者含有2至10个碳原子的烯基或炔基基团,而 R.sup.2、R.sup.3 和 R.sup.4,可以相同也可以不同,每个代表氢、卤素或三氟甲氧基,或者一个或多个氟原子取代的甲基、乙基、丙基或异丙基基团,或者其中一个符号 R.sup.2、R.sup.3 和 R.sup.4 代表甲氧基,而其他符号 R.sup.2、R.sup.3 和 R.sup.4 中至少有一个代表卤素或三氟甲氧基,或者一个或多个氟原子取代的甲基、乙基、丙基或异丙基基团,这些新化合物可用作除草剂。