申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0212753A1
公开(公告)日:1987-03-04
Hydrazino diphenyl ethers having the general formula I:-
wherein: n is 0, 1,2 or 3; each group A represents a halogen atom or a cyano, nitro, alkyl or haloalkyl group;
X represents a hydrogen atom or, when n is 0, alternatively represents a halogen atom;
Y represents a halogen atom or a nitro or cyano group;
R₁ represents a hydrogen atom, an alkyl, cycloalkyl, alkenyl or alkynyl group, an alkyl group substituted by a halogen atom or a cyano or alkoxy group, or an optionally substituted aryl group;
R₂ represents a hydrogen atom, an alkyl, alkoxy, cycloalkyl, alkenyl or alkynyl group, an alkyl group substituted by a halogen atom or a cyano, alkoxy, alkylamino, acylamino, alkoxycarbonyl or acyl group, an optionally substituted aryl or heterocyclic group, or an amino group optionally substituted by an alkyl, aryl, alkanoyl, aroyl or alkoxycarbonyl group or R₁ and R₂ together with the interjacent nitrogen atom jointly represent an azido group or a heterocyclic ring;
Z represents a hydrogen atom or a cyano, alkyl, alkylamino, carboxy, alkoxycarbonyl, or acyl group, or Z, R₁ and R₂, together with the interjacent carbon and nitrogen atoms represent a heterocyclic ring; and R₃ represents a hydrogen atom or an alkyl group. Herbicidal compositions containing such ethers, and their preparation.
具有通式 I 的肼基二苯醚
其中:n 是 0、1、2 或 3;每个基团 A 代表卤素原子或氰基、硝基、烷基或卤代 烷基;
X 代表氢原子,或者,当 n 为 0 时,代表卤素原子;
Y 代表卤素原子或硝基或氰基;
R₁ 代表氢原子、烷基、环烷基、烯基或炔基、被卤素原子或氰基或烷氧基取代的烷基或任选取代的芳基;
R₂ 代表氢原子、烷基、烷氧基、环烷基、烯基或炔基、被卤素原子或氰基、烷氧基、烷基氨基、酰基氨基、烷氧基羰基或酰基取代的烷基、任选取代的芳基或杂环基团、或任选被烷基、芳基、烷酰基、酰基或烷氧基羰基取代的氨基,或 R₁ 和 R₂ 连同相邻的氮原子共同代表叠氮基团或杂环;
Z 代表氢原子或氰基、烷基、烷基氨基、羧基、烷氧基羰基或酰基,或 Z、R₁ 和 R₂ 连同相邻的碳原子和氮原子共同代表杂环;以及 R₃ 代表氢原子或烷基。含有此类醚的除草组合物及其制备方法。