申请人:Bayer Aktiengesellschaft
公开号:US04057418A1
公开(公告)日:1977-11-08
Novel benzoic acid compounds of the formula ##STR1## in which R is alkyl or substituted alkyl of up to 6 carbon atoms, where the substituents are selected from halogen, or R is aryl which is optionally substituted by halogen and/or by alkyl of up to 4 carbon atoms, R.sup.1 is alkyl, alkoxy or alkylmercapto, of in each case up to 4 carbon atoms, or halogen, R.sup.2 is hydrogen, R.sup.3 is hydrogen or halogen, R.sup.4 is hydroxyl, alkoxy of 1 to 6 carbon atoms or an amino group which is optionally substituted by one or two alkyl radicals each of up to 6 carbon atoms, and R.sup.5 is halogen or alkyl of up to 4 carbon atoms; are outstandingly effective and selective as herbicides.
式子为##STR1##的新型苯甲酸化合物,其中R是含有最多6个碳原子的烷基或取代烷基,其中取代基为卤素,或者R是苯基,该苯基可以选择性地被卤素和/或含有最多4个碳原子的烷基取代,R.sup.1是烷基,烷氧基或烷硫基,每种情况下含有最多4个碳原子,或卤素,R.sup.2是氢,R.sup.3是氢或卤素,R.sup.4是羟基,含有1到6个碳原子的烷氧基或氨基,该氨基可以选择性地被一个或两个含有最多6个碳原子的烷基基团取代,R.sup.5是卤素或含有最多4个碳原子的烷基。这些化合物在除草剂方面具有卓越的效果和选择性。