申请人:Sumitomo Chemical Takeda Agro Company, Limited
公开号:EP1333029A1
公开(公告)日:2003-08-06
The present invention provides a pyrimidine derivative represented by the formula:
wherein R1p and R1q are the same or different, and each represents (1)hydrogen, (2)halogen, (3) a C1-6alkyl group which may be substituted or (4) a C1-6alkoxy group, and so on,
R2 is halogen, a C1-6alkyl group, cyano group, and so on, Ar is a phenyl group which may be substituted or is a condensed hetero ring which may be substituted, which has excellent selective herbicidal activity, and a herbicide containing the derivative.
本发明提供了一种由式表示的嘧啶衍生物:
其中 R1p 和 R1q 相同或不同,各自代表(1)氢、(2)卤素、(3)可被取代的 C1-6 烷基或 (4)C1-6烷氧基等、
R2是卤素、C1-6烷基、氰基等,Ar是可被取代的苯基或可被取代的缩合杂环,具有优异的选择性除草活性,以及含有该衍生物的除草剂。