申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0572093A1
公开(公告)日:1993-12-01
A herbicidal composition which comprises a carrier and, as active ingredient, a compound of the general formula
in which
each of n and m independently is 0 or 1;
each of Ar¹ and Ar² independently represents an aryl group, at least one of Ar¹ and Ar² being substituted by one or more of the same or different substituents selected from halogen atoms, alkyl groups, alkoxy groups, haloalkyl groups and haloalkoxy groups;
and
R¹ represents a hydrogen atom, or an alkyl, alkylthio or haloalkyl group having from 1 to 4 carbon atoms, and R² represents a hydrogen or a halogen atom provided that at least one of R¹ and R² represents a hydrogen atom. Certain compounds of formula I are novel.
一种除草组合物,它由载体和作为活性成分的通式化合物组成
其中
n和m各自独立地为0或1;
Ar¹和 Ar²各自独立地代表芳基,Ar¹和 Ar²中至少有一个被一个或多个相同或不同的取代基取代,这些取代基选自卤素原子、烷基、烷氧基、卤代烷基和卤代烷氧基;
以及
R¹ 代表氢原子或具有 1 至 4 个碳原子的烷基、烷硫基或卤代烷基,R² 代表氢原子或卤素原子,条件是 R¹ 和 R² 中至少有一个代表氢原子。某些式 I 的化合物是新颖的。