申请人:BASF Aktiengesellschaft
公开号:US06100218A1
公开(公告)日:2000-08-08
2-Phenylpyridines I ##STR1## wherein X is a chemical bond, 1,2-ethynediyl or optionally substituted --(CH.sub.2).sub.1-3 --, --O--(CH.sub.2).sub.1-2 --, --s--(CH.sub.2).sub.1-2 --, --CH.sub.2 --O--CH.sub.2 --, --CH.sub.2 --S--CH.sub.2 -- or --CH.dbd.CH--; Y is oxygen or sulfur; Z.sup.1 is oxygen, sulfur or --N(R.sup.7)--; Z.sup.2 is oxygen, sulfur or --N(R.sup.8)--; R.sup.1, R.sup.2, R.sup.7 and R.sup.8 independently of one another are hydrogen, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or heterocyclyl; or R.sup.1 and R.sup.2 or R.sup.7, or R.sup.2 and R.sup.8 together are optionally substituted --(CH.sub.2).sub.2-5 -- or --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --, or R.sup.1 and R.sup.2 together are optionally substituted 1,2-phenylene; R.sup.3 is cyano, halogen, alkyl, haloalkyl, alkoxy or haloalkoxy; R.sup.4 and R.sup.5 are hydrogen or halogen; R.sup.6 is halogen or haloalkyl; n is zero or one; and their salts are suitable for controlling undesirable vegetation and as desiccants or defoliants.
2-苯基吡啶I ##STR1## 其中X是化学键,1,2-乙炔基或可选择性取代的--(CH.sub.2).sub.1-3 --,--O--(CH.sub.2).sub.1-2 --,--s--(CH.sub.2).sub.1-2 --,--CH.sub.2 --O--CH.sub.2 --,--CH.sub.2 --S--CH.sub.2 --或--CH.dbd.CH--; Y是氧或硫; Z.sup.1是氧,硫或--N(R.sup.7)--; Z.sup.2是氧,硫或--N(R.sup.8)--; R.sup.1,R.sup.2,R.sup.7和R.sup.8独立地是氢,可选择性取代的烷基,烯基,炔基,环烷基,苯基或杂环基; 或R.sup.1和R.sup.2或R.sup.7,或R.sup.2和R.sup.8一起是可选择性取代的--(CH.sub.2).sub.2-5 --或--(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --,或R.sup.1和R.sup.2一起是可选择性取代的1,2-苯撑基; R.sup.3是氰基,卤素,烷基,卤代烷基,烷氧基或卤代烷氧基; R.sup.4和R.sup.5是氢或卤素; R.sup.6是卤素或卤代烷基; n为零或一; 它们的盐适用于控制不良植被并作为干燥剂或落叶剂。