2-benzyloxy-4-phenoxypyrimidine derivative, processes for producing the derivative and herbicidal composition containing the derivative
申请人:KUREHA KAGAKU KOGYO KABUSHIKI KAISHA
公开号:EP0694538A2
公开(公告)日:1996-01-31
A 2-benzyloxy-4-phenoxypyrimidine derivative of formula (I) :
wherein:
R¹ represents hydrogen, a halogen, C₁-C₄ alkyl, C₁-C₄ alkyl, C₁-C₄ haloalkyl, C₁-C₄ alkoxy, C₁-C₄ haloalkoxy, C₃-C₅ alkenyloxy, C₁-C₄ alkylthio, C₁-C₄ haloalkylthio, cyano, or phenyl;
each X, which may be identical or different if n is greater than 1, represents a halogen, C₁-C₄ alkyl, C₁-C₄ haloalkyl, or C₁-C₄ alkoxy;
each Y, which may be identical or different if m is greater than 1, represents a halogen, C₁-C₄ alkyl, C₁-C₄ haloalkyl, C₁-C₄ alkoxy, C₁-C₄ haloalkoxy, C₁-C₄ alkylthio, or C₁-C₄ haloalkylthio; and
n and m each independently represent an integer of 0 to 5.
The derivatives of formula (I) are useful as herbicides.
式(I)的 2-苄氧基-4-苯氧基嘧啶衍生物:
其中
R¹ 代表氢、卤素、C₁-C₄ 烷基、C₁-C₄ 烷基、C₁-C₄ 卤代烷基、C₁-C₄ 烷氧基、C₁-C₄ 卤代烷氧基、C₃-C₅ 烯氧基、C₁-C₄ 烷硫基、C₁-C₄ 卤代烷硫基、氰基或苯基;
每个 X(如果 n 大于 1,可以相同或不同)代表卤素、C₁-C₄ 烷基、C₁-C₄ 卤代烷基或 C₁-C₄烷氧基;
每个 Y(如果 m 大于 1,可以相同或不同)代表卤素、C₁-C₄ 烷基、C₁-C₄ 卤代烷基、C₁-C₄ 烷氧基、C₁-C₄ 卤代烷氧基、C₁-C₄ 烷硫基或 C₁-C₄ 卤代烷硫基;以及
n 和 m 各自独立地代表 0 至 5 的整数。
式 (I) 的衍生物可用作除草剂。