The novel compounds of the formula I are useful selective herbicides for postemergence application in crops of cereals, maize and rice. In formula I, ##STR1## A is an unsubstituted or substituted amino group, Q is a C.sub.2 -C.sub.6 alkylene bridge, Y is an oxygen or sulfur atom or an unsubstituted or substituted nitrogen atom, and Z is an unsubstituted or substituted phenyl, naphthyl or heterocyclic radical, which phenyl radical, containing the bridge member Y, can additionally carry one to four further substituents.
公式I中的新化合物对于小麦、玉米和稻作物的后发生应用是有用的选择性
除草剂。在公式I中,##STR1## A是未取代或取代的
氨基团,Q是C.sub.2-C.sub.6烷基桥,Y是氧或
硫原子或未取代或取代的氮原子,而Z是未取代或取代的苯基,
萘基或杂环基团,其中苯基团含有桥接成员Y,还可以携带一到四个进一步的取代基。