申请人:Bayer Aktiengesellschaft
公开号:US04627871A1
公开(公告)日:1986-12-09
The novel substituted carboxylic acid anilides of the formula ##STR1## in which X represents oxygen or sulphur, R.sup.1 represents hydrogen, halogen, alkyl with 1 to 6 carbon atoms, trifluoromethyl, optionally substituted phenyl, alkoxy with 1 to 6 carbon atoms or alkylmercapto with 1 to 6 carbon atoms, R.sup.2 represents halogen or methyl, n represents 0, 1 or 2, R.sup.3 represents hydrogen, halogen, optionally substituted alkyl with 1 to 6 carbon atoms, optionally substituted aryl, optionally substituted aralkyl or the radicals --OR.sup.6 or --SO.sub.m --R.sup.6, wherein R.sup.6 represents optionally substituted alkyl with 1 to 6 carbon atoms or optionally substituted aryl and m represents 0, 1 or 2, and R.sup.4 and R.sup.5 independently of one another represent halogen or optionally substituted alkyl with 1 to 6 carbon atoms, or R.sup.4 and R.sup.5, together with the adjacent carbon atom, represent an optionally substituted, saturated or unsaturated carbocyclic ring with 3 to 8 ring carbon atoms, are very active herbicides.
这个小说使用了公式为##STR1##的羧酸苯胺类代替物,其中X代表氧或硫,R1代表氢、卤素、1至6个碳原子的烷基、三氟甲基、可选的取代苯基、1至6个碳原子的烷氧基或1至6个碳原子的烷硫基,R2代表卤素或甲基,n代表0、1或2,R3代表氢、卤素、可选的取代1至6个碳原子的烷基、可选的取代芳基、可选的取代芳基烷基或基团--OR6或--SOm--R6,其中R6代表可选的取代1至6个碳原子的烷基或可选的取代芳基,m代表0、1或2,而R4和R5彼此独立地代表卤素或可选的取代1至6个碳原子的烷基,或者R4和R5与相邻的碳原子一起代表一个可选的取代的饱和或不饱和碳环,该环具有3到8个环碳原子,是非常活跃的除草剂。