申请人:Kureha Kagaku Kogyo Kabushiki Kaisha
公开号:US05691277A1
公开(公告)日:1997-11-25
A 2-(unsubstituted or substituted) (benzyloxy or phenoxy)-4-substituted-6-(meta-substituted phenoxy)pyridine represented by the formula (I): ##STR1## wherein R represents C.sub.1 -C.sub.4 alkoxy or cyano; each X, which may be identical or different if n is greater than 1, represents a halogen, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkythio, C.sub.3 -C.sub.5 alkenyloxy, or C.sub.3 -C.sub.5 alkynyloxy; Y represents trifluoromethyl, difluoromethoxy, trifluoromethoxy, or trifluoromethylthio; m represents an integer of 0 or 1; and n represents an integer of 0 to 5, which is useful as a herbicide.
公式(I)所表示的2-(未取代或取代的)(苄氧基或苯氧基)-4-取代-6-(间取代苯氧基)吡啶,其中R表示C.sub.1-C.sub.4烷氧基或氰基;每个X,如果n大于1,则可以相同或不同,表示卤素,C.sub.1-C.sub.4烷氧基,C.sub.1-C.sub.4烷基,C.sub.1-C.sub.4卤代烷氧基,C.sub.1-C.sub.4卤代烷基,C.sub.1-C.sub.4卤代烷硫基,C.sub.3-C.sub.5烯基氧基或C.sub.3-C.sub.5炔基氧基;Y表示三氟甲基,二氟甲氧基,三氟甲氧基或三氟甲基硫基;m表示0或1的整数;n表示0到5的整数,其作为除草剂有用。