This disclosure relates to N-perfluoroacyl derivatives of N-phosphonomethylglycinonitrile. More particularly, this disclosure relates to diaryl esters of N-perfluoroacyl-N-phosphonomethylglycinonitriles, the herbicidal use thereof and to herbicidal compositions containing same.
The compounds of the invention have the formula
wherein R is a member of the groupe consisting of naphthyl, phenyl and phenyl substituted with from 1 to 3 substituents individually selected from the class consisting of halogen, C1-4 alkyl, Ci-4 alkoxy, nitro and trifluoromethyl and n is an integer of from 1 to 3.
                            本公开涉及 N-膦酰甲基甘
氨腈的 N-
全氟酰基衍
生物。更具体地说,本公开涉及 N-
全氟酰基-N-膦酰甲基甘
氨腈的二芳基酯、其除草用途以及含有这些酯的除草组合物。
本发明的化合物具有如下式子
其中 R 是由
萘基、苯基和被 1 至 3 个取代基取代的苯基组成的基团的成员,这些取代基单独选自卤素、C1-4 烷基、Ci-4 烷氧基、硝基和三
氟甲基组成的类别,n 是 1 至 3 的整数。