The compounds of the general formula (I) ##STR1## in which X denotes 0 or --SO.sub.2 --, Y denotes CH or N, R.sub.1 denotes alkyl, alkenyl or (C.sub.2 -C.sub.6)-alkinyl which are optionally substituted, R.sub.2 denotes alkyl, alkenyl, alkinyl or cyclohexyl, R.sub.3 and R.sub.4 denote H or alkyl, and R.sub.5 and R.sub.6 denote H, (substituted) alkyl, (substituted) alkoxy, halogen, alkylthio, monoalkylamino or dialkylamino, and also salts thereof, possess advantageous herbicidal properties against monocotyledonous and dicotyledonous weeds and are suitable for selective use in large-scale crops. In addition, they possess a good plant growth-regulating action.
通式(I)的化合物 ##STR1## 其中X代表0或--SO.sub.2 --,Y代表CH或N,R.sub.1代表烷基,烯基或(C.sub.2-C.sub.6)-炔基,可选地取代,R.sub.2代表烷基,烯基,炔基或环己基,R.sub.3和R.sub.4代表氢或烷基,R.sub.5和R.sub.6代表氢,(取代)烷基,(取代)烷氧基,卤素,烷
硫基,单烷基
氨基或双烷基
氨基,以及其盐,对一子叶和二子叶杂草具有优异的除草作用,并适用于大规模作物的选择性使用。此外,它们具有良好的植物生长调节作用。