Hetaroyl derivatives of the formula I ##STR1## where the substituents have the following meanings: L and M 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; halogen, cyano, nitro; X oxygen or sulfur which can be substituted by one or two oxygens; n zero, one, two; Q,R.sup.1,R.sup.2,R.sup.3 and R.sup.4 have the meanings given in claim 1, processes for preparing the hetaroyl derivatives, compositions which contain them and the use of these derivatives or compositions containing them for controlling weeds are described.
公式I的Hetaroyl衍
生物##STR1##其中取代基具有以下含义:L和M为氢,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,这些基可能未被取代或被一个到五个卤素原子或C.sub.1 -C.sub.4 -烷氧基取代;卤素,
氰基,硝基;X为氧或
硫,可以被一个或两个氧原子取代;n为零、一或两;Q,R.sup.1,R.sup.2,R.sup.3和R.sup.4具有权利要求1中给出的含义,描述了制备Hetaroyl衍
生物的方法、含有它们的组合物以及这些衍
生物或含有它们的组合物用于控制杂草的用途。