| abstract |
Sulphonylureas of the formula n<IMAGE>n where n n A is a bond or a C1-C10-hydrocarbon radical, n R<1> is a saturated or unsaturated hydrocarbon radical which is optionally substituted by halogen, saturated or unsaturated alkoxy, alkylthio, alkylsulphonyl or alkylsulphinyl, or by cycloalkyl, optionally substituted phenyl, or by a heterocycle, or is optionally substituted phenyl or NRR', where R and R' are alkyl, alkoxy or alkylene (forming a cycle together with N), n Y is S, SO or SO2, n R<2> is saturated or unsaturated alkoxy which is substituted or unsubstituted, or cycloalkoxy, cycloalkenyloxy, cyclopropylmethyloxy, epoxypropyloxy, furfuryloxy, tetrahydrofurfuryloxy, or substituted or unsubstituted phenoxyalkoxy or phenoxy, n R<3> is unsaturated or saturated alkyl, or is alkoxy, n R<4> is substituted or unsubstituted pyrimidinyl, pyrimidinylmethyl, pyrimidinyl with a fused cyclopentane, oxolane, oxolene, oxane, pyridine or pyrazine ring, or purinyl or triazolyl, n Z is O or S, n have herbicidal and/or plant-growth-regulating properties. |