申请人:Bayer Aktiengesellschaft
公开号:US04741759A1
公开(公告)日:1988-05-03
Herbicidally active oxyguanidine derivatives of the formula ##STR1## in which M represents hydrogen or one equivalent of a metal, R.sup.1 represents halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.2 -halogenoalkyl, C.sub.1 -C.sub.4 -alkoxy, phenyl or C.sub.1 -C.sub.2 -alkoxy-carbonyl, R.sup.2 represents hydrogen or the radical ##STR2## and R.sup.3 represents C.sub.4 -C.sub.12 -alkyl, isopropyl or--if M represents one equivalent of a metal--also propyl, or represents C.sub.2 -C.sub.12 -halogenoalkyl, C.sub.1 -C.sub.4 -alkoxycarbonyl-C.sub.1 -C.sub.2 -alkyl, aminocarbonylmethyl, C.sub.1 -C.sub.4 -alkylaminocarbonylmethyl, di-C.sub.1 -C.sub.4 -alkylaminocarbonylmethyl, C.sub.3 -C.sub.12 -alkenyl, C.sub.3 -C.sub.12 -alkinyl, benzyl which is substituted by halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxycarbonyl, or phenyl, benzhydryl, or phenethyl, all optionally substituted by halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxycarbonyl, or carboxy-C.sub.1 -Ca.sub.2 -alkyl, or adducts thereof with strong acids.
该公式中具有除草活性的氧胍啉衍生物,其中M代表氢或一个金属的一个当量,R.sup.1代表卤素,C.sub.1-C.sub.4-烷基,C.sub.1-C.sub.2-卤代烷基,C.sub.1-C.sub.4-烷氧基,苯基或C.sub.1-C.sub.2-烷氧基羰基,R.sup.2代表氢或基团,R.sup.3代表C.sub.4-C.sub.12-烷基,异丙基或-如果M代表一个金属的一个当量-也可以是丙基,或者代表C.sub.2-C.sub.12-卤代烷基,C.sub.1-C.sub.4-烷氧羰基-C.sub.1-C.sub.2-烷基,氨基羰基甲基,C.sub.1-C.sub.4-烷基氨基羰基甲基,二C.sub.1-C.sub.4-烷基氨基羰基甲基,C.sub.3-C.sub.12-烯基,C.sub.3-C.sub.12-炔基,苄基,其被卤素,硝基,氰基,C.sub.1-C.sub.4-烷基,C.sub.1-C.sub.4-烷氧基或C.sub.1-C.sub.4-烷氧羰基取代,或苯基,苯并二氢吡啶基,苯乙基,均可选择地被卤素,硝基,氰基,C.sub.1-C.sub.4-烷基,C.sub.1-C.sub.4-烷氧基或C.sub.1-C.sub.4-烷氧羰基取代,或羧基-C.sub.1-Ca.sub.2-烷基,或它们与强酸形成的加合物。