This invention relates to arylsulfenyl derivatives of benzyl and aryl esters of N-phosphonomethylglycines, the said derivatives having the formula
wherein R is phenyl, naphthyl, biphenylyl or benzyl, or naphthyl, biphenylyl, benzyl or phenyl substituted with from one to three substituents independently selected from C1-4 alkyl, C1-4 alkoxy, C1-4 alkylthio, trifluoromethyl, alkoxycarbonyl, methylenedioxy, cyano, nitro and halogen; R, is phenyl, naphthyl or phenyl substituted with from one to three substituents independently selected from C1-4 alkyl, C1-4 alkoxy, halogen, trifluoromethyl and nitro; and R2 is selected from C1-4 alkyl and aryl-C1-4 alkyl.
The invention further relates to herbicidal compositions containing said derivatives, to the use thereof, and to herbicidal methods employing such derivatives and compositions.
本发明涉及 N-膦酰甲基甘
氨酸的苄基和芳基酯的芳基亚磺酰基衍
生物,所述衍
生物具有以下式子
其中 R 是苯基、
萘基、
联苯基或苄基,或被一至三个独立选自 C1-4 烷基、C1-4 烷氧基、C1-4 烷
硫基、三
氟甲基、烷氧羰基、亚甲基二氧基、
氰基、硝基和卤素的取代基取代的
萘基、
联苯基、苄基或苯基;R,是苯基、
萘基或被一至三个独立选自 C1-4 烷基、C1-4 烷氧基、卤素、三
氟甲基和硝基的取代基取代的苯基;以及 R2 选自 C1-4 烷基和芳基-C1-4 烷基。
本发明还涉及含有上述衍
生物的除草组合物、其用途以及使用这种衍
生物和组合物的除草方法。