Halogen-containing compounds, herbicidal composition containing the same as an active ingredient, and intermediary compounds therefor
申请人:Mitsubishi Chemical Corporation
公开号:EP0468766A1
公开(公告)日:1992-01-29
Halogen-containing compounds represented by the formula
wherein
X represents a halogen atom,
W represents an oxygen atom, sulfur atom or group -OCH₂-,
Z¹ and Z² each represent a nitrogen atom or group CH, but when Z¹ is a nitrogen atom, Z² represents nitrogen atom or group CH and when Z¹ is a group CH, Z² represents a nitrogen atom,
R¹ and R² each independently represent either a hydrogen atom, halogen atom or mono- or dilower alkyl-substituted amino, or a lower alkyl, lower alkoxy or lower alkylthio each of which may be substituted with a halogen atom,
R³ and R⁴ each independently represent a hydrogen atom, halogen atom, hydroxycarbonyl, lower alkoxycarbonyl, lower alkyl, lower alkenyl, lower alkynyl, aryl or aralkyl, or R³ and R⁴ form together with the carbon atoms to which they bind respectively a 5- to 8-membered carbon ring or heterocycle and these rings may optionally be substituted with one or the same or different two of hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower alkoxycarbonyl, lower alkylcarbonyloxy and a group = 0, and may have unsaturated bond(s) therein,
R⁵ represents a hydrogen atom or lower alkyl group, or may form together with part of R³ a double bond,
A represents an oxygen atom, sulfur atom or group = N-B wherein B represents hydroxy or lower alkylcarbonyloxy, or lower alkoxy optionally substituted with hydroxycarbonyl or lower alkoxycarbonyl, and
Y either represents a hydrogen atom, a hydroxy, a mercapto, or
a lower alkoxy, lower alkenoxy, lower alkynoxy, lower alkylthio, aryloxy, aralkyloxy, arylthio, aralkylthio, lower cycloalkoxy, lower cycloalkenyloxy, pyridylthio, furylmethyloxy, furylthio or thienyloxy each optionally substituted with a halogen atom, hydroxy, lower alkyl, lower alkoxy, lower alkylthio, lower alkoxycarbonyl, lower alkylcarbonyl, cyano, nitro or azido, or
an azido, a trilower alkyl-substituted silyloxy or an imidooxy, or represents a group
[wherein
R⁶ and R⁷ each independently represent a hydrogen atom, lower alkyl, lower alkoxy, aryl or aralkyl, or R⁶ and R⁷ may form together with the carbon atom to which they bind a lower cycloalkane ring, and
R⁸ and R⁹ each independently represent a hydrogen atom, a hydroxy, a lower alkyl, a lower alkenyl, a lower alkynyl, a lower alkoxy, a lower alkylcarbonyloxy, a cyano, a lower alkylsulfonyl optionally substituted with a halogen atom, a lower alkyl substituted with lower alkoxycarbonyl, a lower alkyl substituted with hydroxycarbonyl, a lower alkoxy substituted with lower alkoxycarbonyl, a lower alkoxy substituted with hydroxycarbonyl, or
an aryl, aralkyl, aryloxy, aralkyloxy, arylcarbonyloxy, pyridyl,
(wherein Z³ represents an oxygen atom, group CH or sulfur atom, Z⁴ represents a nitrogen atom or group CH, Z¹ and Z² are as defined above, and m represents an integer of 0 or 1) each optionally substituted with a halogen atom, hydroxy, lower alkyl, lower alkoxy, lower alkyl substituted with halogen atoms, cyano, nitro, amino, mono- or dilower-alkyl-substituted amino or lower alkoxycarbonyl,
(wherein R¹⁰ and R¹¹ each represent a hydrogen atom, a lower alkyl, a lower alkoxycarbonyl, a lower alkyl substituted with lower alkoxycarbonyl, a lower alkyl substituted with hydroxycarbonyl, or an aryl, aralkyl, pyridyl or benzothiazolyl each optionally substituted with a halogen atom, lower alkyl, lower alkyl substituted with a halogen atom, lower alkoxy, cyano, amino or nitro)), and salts thereof, are herbicidally active.
式所代表的含卤化合物
其中
X 代表卤素原子
W 代表氧原子、硫原子或基团 -OCH₂-、
Z¹ 和 Z² 各自代表氮原子或基团 CH,但当 Z¹ 为氮原子时,Z² 代表氮原子或基团 CH;当 Z¹ 为基团 CH 时,Z² 代表氮原子、
R¹ 和 R² 各自独立地代表氢原子、卤素原子或单烷基或稀烷基取代的氨基,或低级烷基、低级烷氧基或低级烷硫基,其中每个基团均可被卤素原子取代、
R³ 和 R⁴ 各自独立地代表氢原子、卤素原子、羟基羰基、低级烷氧基羰基、低级烷基、低级烯基、低级炔基、芳基或芳烷基、或 R³ 和 R⁴ 与它们分别结合的碳原子一起形成 5 至 8 元碳环或杂环,这些环可任选被羟基、低级烷基、低级烯基、低级炔基、低级烷氧基、低级烷氧羰基、低级烷基羰氧基和基团 = 0 中的一个或相同或不同的两个取代,并且其中可能有不饱和键、
R⁵ 代表氢原子或低级烷基,或可与部分 R³ 形成双键、
A 代表氧原子、硫原子或基团 = N-B,其中 B 代表羟基或低级烷基羰氧基,或任选被羟基羰基或低级烷氧基羰基取代的低级烷氧基,以及
Y 代表氢原子、羟基、巯基,或
低级烷氧基、低级烯氧基、低级炔氧基、低级烷硫基、芳氧基、芳烷氧基、芳硫基、芳烷硫基、低级环烷氧基、低级环烯氧基、吡啶硫基、呋喃甲氧基、呋喃硫基或噻吩氧基,它们各自任选被卤原子、羟基、低级烷基、低级烷氧基、低级烷硫基、低级烷氧羰基、低级烷羰基、氰基、硝基或叠氮取代,或
叠氮、三阶梯烷基取代的硅氧基或亚氨基氧基,或代表一个基团
其中
R⁶ 和 R⁷ 各自独立地代表氢原子、低级烷基、低级烷氧基、芳基或芳烷基,或 R⁶ 和 R⁷ 可与它们结合的碳原子一起形成低级环烷环,以及
R⁸和 R⁹ 各自独立地代表氢原子、羟基、低级烷基、低级烯基、低级炔基、低级烷氧基、低级烷基羰氧基、氰基、任选被卤素原子取代的低级烷磺酰基、被低级烷氧基羰基取代的低级烷基、被羟基羰基取代的低级烷氧基、被羟基羰基取代的低级烷氧基,或
芳基、芳烷基、芳氧基、芳烷氧基、芳羰氧基、吡啶基、
(其中 Z³ 代表氧原子、基团 CH 或硫原子,Z⁴ 代表氮原子或基团 CH,Z¹ 和 Z² 如上文所定义,且 m 代表 0 或 1 的整数)各自任选被卤素原子、羟基、低级烷基、低级烷氧基、被卤素原子取代的低级烷基、氰基、硝基、氨基、单烷基或稀释烷基取代的氨基或低级烷氧基羰基取代、
(其中 R¹⁰ 和 R¹¹ 分别代表氢原子、低级烷基、低级烷氧基羰基、被低级烷氧基羰基取代的低级烷基、被羟基羰基取代的低级烷基,或芳基、芳烷基、吡啶基或苯并噻唑基,每个基团可任选被卤素原子、低级烷基、被卤素原子取代的低级烷基、低级烷氧基、氰基、氨基或硝基取代))及其盐具有除草活性。