申请人:Carter Neil Brian
公开号:US20090305892A1
公开(公告)日:2009-12-10
The present invention relates to a method of controlling plants or inhibiting plant growth which comprises applying to the plants or to the locus thereof a herbicidally effective amount of a compound of formula (I) wherein R
1
, R
2
, R
3
, R
4
and R
5
are as defined in claim
1
; or salts or N-oxides thereof. Furthermore, the present invention relates to processes for preparing compounds of formula (I), to herbicidal compositions comprising compounds of formula (I) and to certain novel pyrido[2,3-b]pyrazines.
本发明涉及一种控制植物或抑制植物生长的方法,该方法包括向植物或其生长点施加式(I)化合物的除草有效量,其中R1、R2、R3、R4和R5如权利要求1所定义;或其盐或N-氧化物。此外,本发明还涉及制备式(I)化合物的方法,包括含有式(I)化合物的除草剂组合物以及某些新型吡啶并[2,3-b]吡嗪。