申请人:BASF Aktiengesellschaft
公开号:US05846906A1
公开(公告)日:1998-12-08
Herbicidally active phenyldiketone compounds of the formula I ##STR1## in which the substituents have the following meanings: L and M are hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.1 -C.sub.4 -alkoxy, it being possible for these groups to be unsubstituted or substituted by one to five halogen atoms or C.sub.1 -C.sub.4 -alkoxy, or halogen, cyano, nitro, a group --(Y).sub.n --S(O).sub.m R.sup.7 or a group --(Y).sub.n --CO--R.sup.8, Z is a 5- or 6-membered heterocyclic saturated or unsaturated radical which has one to three hetero atoms selected from the group consisting of oxygen, sulfur or nitrogen and which is unsubstituted or substituted by halogen, cyano, nitro, a group --CO--R.sup.8, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkylthio, di-C.sub.1 -C.sub.4 -alkylamino or which forms a bicyclic system with a substituted or unsubstituted phenyl ring, a fused carbocycle or a fused second heterocycle, Y is O or NR.sup.9, n is zero or one, m is zero, one or two, R.sup.7 is C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl or NR.sup.9 R.sup.10, R.sup.8 is C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy or NR.sup.9 R.sup.10, R.sup.9 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.10 is C.sub.1 -C.sub.4 -alkyl, R.sup.1 is cyclopropyl, 1-methylcyclopropyl, 1-methylthiocyclopropyl or tert-butyl; and agriculturally salts of the compounds I.
化学草甘膦活性的二酮化合物的结构如下:在这个结构中,取代基的含义如下:L和M是氢、C.sub.1-C.sub.6-烷基、C.sub.2-C.sub.6-烯基、C.sub.2-C.sub.6-炔基、C.sub.1-C.sub.4-烷氧基,这些基团可以是未取代的或被1至5个卤素原子或C.sub.1-C.sub.4-烷氧基、卤素、氰基、硝基、--(Y).sub.n --S(O).sub.m R.sup.7或--(Y).sub.n --CO--R.sup.8基团取代;Z是含有氧、硫或氮等一至三个杂原子的5-或6-成员杂环饱和或不饱和基团,可以是未取代的或被卤素、氰基、硝基、--CO--R.sup.8、C.sub.1-C.sub.4-烷基、C.sub.1-C.sub.4-卤代烷基、C.sub.3-C.sub.8-环烷基、C.sub.1-C.sub.4-烷氧基、C.sub.1-C.sub.4-卤代烷氧基、C.sub.1-C.sub.4-烷硫基、C.sub.1-C.sub.4-卤代烷硫基、二烷基胺基或与取代或未取代的苯环、融合的碳环或融合的第二杂环形成双环系统的基团;Y是氧或NR.sup.9;n为零或一;m为零、一或二;R.sup.7是C.sub.1-C.sub.4-烷基、C.sub.1-C.sub.4-卤代烷基或NR.sup.9R.sup.10;R.sup.8是C.sub.1-C.sub.4-烷基、C.sub.1-C.sub.4-卤代烷基、C.sub.1-C.sub.4-烷氧基或NR.sup.9R.sup.10;R.sup.9是氢或C.sub.1-C.sub.4-烷基;R.sup.10是C.sub.1-C.sub.4-烷基;R.sup.1是环丙基、1-甲基环丙基、1-甲硫基环丙基或叔丁基;以及化合物I的农业盐。