申请人:Sumitomo Chemical Company, Limited
公开号:US06664214B1
公开(公告)日:2003-12-16
The invention provides an uracil compound represented by the general formula:
wherein W represents oxygen or sulfur; R1 represents C1- to C3-alkyl or C1- to C3-haloalkyl; R2 represents C1- to C3-alkyl or C1- to C3-haloalkyl; R3 represents hydrogen, C1- to C3-alkyl, phenyl, C1- to C3-haloalkyl or cyano; R4 represents hydrogen or C1- to C3-alkyl; R5 represents C1- to C6-alkyl, C1- to C6-haloalkyl, C3- to C6-alkenyl, C3- to C6-haloalkenyl, C3- to C6-alkynyl or C3- to C6-haloalkynyl; X1 represents halogen; X2 represents hydrogen or halogen; X3 and X4 are independent with each other and each represents hydrogen, halogen, C1- to C6-alkyl, C1- to C6-haloalkyl, C2- to C6-alkenyl, C2- to C6-haloalkenyl, C3- to C6-alkynyl, C3- to C6-haloalkynyl, C1- to C6-alkoxy-C1- to C6-alkyl, C1- to C6-alkoxy, C1- to C6-haloalkoxy or cyano; and n represents an integer of 1 to 4. The uracil compound has an excellent herbicidal effect against various weeds and therefore it is useful as an active ingredient for a herbicide.
该发明提供了一种尿嘧啶化合物,其通式表示为:其中W代表氧或硫;R1代表C1-C3烷基或C1-C3卤代烷基;R2代表C1-C3烷基或C1-C3卤代烷基;R3代表氢、C1-C3烷基、苯基、C1-C3卤代烷基或氰基;R4代表氢或C1-C3烷基;R5代表C1-C6烷基、C1-C6卤代烷基、C3-C6烯基、C3-C6卤代烯基、C3-C6炔基或C3-C6卤代炔基;X1代表卤素;X2代表氢或卤素;X3和X4独立于彼此,每个代表氢、卤素、C1-C6烷基、C1-C6卤代烷基、C2-C6烯基、C2-C6卤代烯基、C3-C6炔基、C3-C6卤代炔基、C1-C6烷氧基-C1-C6烷基、C1-C6烷氧基、C1-C6卤代烷氧基或氰基;n代表1-4的整数。该尿嘧啶化合物对各种杂草具有优异的除草效果,因此它可用作除草剂的活性成分。